Home / 738,200.40-1,107,300.60-500,254.80

Finding the Fourth Proportional to 738,200.40, 1,107,300.60 and 500,254.80

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Solution

The fourth proportional to 738,200.40, 1,107,300.60 and 500,254.80 is: 750,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,200.40 : 1,107,300.60 = 500,254.80 : x
  2. Step 2: Convert to fraction form
    738,200.40/1,107,300.60 = 500,254.80/x
  3. Step 3: Cross multiply
    738,200.40x = 1,107,300.60 × 500,254.80
  4. Step 4: Simplify right side
    738,200.40x = 553,932,440,192.88
  5. Step 5: Solve for x
    x = 553,932,440,192.88/738,200.40
  6. Step 6: Final answer
    x = 750,382.20

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Double scale
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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.