Home / 747,665.76-1,031,758.92-687,479.52

Finding the Fourth Proportional to 747,665.76, 1,031,758.92 and 687,479.52

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Solution

The fourth proportional to 747,665.76, 1,031,758.92 and 687,479.52 is: 948,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,665.76 : 1,031,758.92 = 687,479.52 : x
  2. Step 2: Convert to fraction form
    747,665.76/1,031,758.92 = 687,479.52/x
  3. Step 3: Cross multiply
    747,665.76x = 1,031,758.92 × 687,479.52
  4. Step 4: Simplify right side
    747,665.76x = 709,313,127,077.32
  5. Step 5: Solve for x
    x = 709,313,127,077.32/747,665.76
  6. Step 6: Final answer
    x = 948,703.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.