Home / 738,340.20-1,107,510.30-607,120.20

Finding the Fourth Proportional to 738,340.20, 1,107,510.30 and 607,120.20

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Solution

The fourth proportional to 738,340.20, 1,107,510.30 and 607,120.20 is: 910,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,340.20 : 1,107,510.30 = 607,120.20 : x
  2. Step 2: Convert to fraction form
    738,340.20/1,107,510.30 = 607,120.20/x
  3. Step 3: Cross multiply
    738,340.20x = 1,107,510.30 × 607,120.20
  4. Step 4: Simplify right side
    738,340.20x = 672,391,874,838.06
  5. Step 5: Solve for x
    x = 672,391,874,838.06/738,340.20
  6. Step 6: Final answer
    x = 910,680.30

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Half scale
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Double scale
Find fourth proportional to 738,341.20, 1,107,511.80 and 607,121.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.