Home / 738,005.20-1,107,007.80-606,785.20

Finding the Fourth Proportional to 738,005.20, 1,107,007.80 and 606,785.20

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Solution

The fourth proportional to 738,005.20, 1,107,007.80 and 606,785.20 is: 910,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,005.20 : 1,107,007.80 = 606,785.20 : x
  2. Step 2: Convert to fraction form
    738,005.20/1,107,007.80 = 606,785.20/x
  3. Step 3: Cross multiply
    738,005.20x = 1,107,007.80 × 606,785.20
  4. Step 4: Simplify right side
    738,005.20x = 671,715,949,324.56
  5. Step 5: Solve for x
    x = 671,715,949,324.56/738,005.20
  6. Step 6: Final answer
    x = 910,177.80

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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.