Home / 1,011,250.27-1,516,288.56-478,766.80

Finding the Fourth Proportional to 1,011,250.27, 1,516,288.56 and 478,766.80

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Solution

The fourth proportional to 1,011,250.27, 1,516,288.56 and 478,766.80 is: 717,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,250.27 : 1,516,288.56 = 478,766.80 : x
  2. Step 2: Convert to fraction form
    1,011,250.27/1,516,288.56 = 478,766.80/x
  3. Step 3: Cross multiply
    1,011,250.27x = 1,516,288.56 × 478,766.80
  4. Step 4: Simplify right side
    1,011,250.27x = 725,948,621,747.81
  5. Step 5: Solve for x
    x = 725,948,621,747.81/1,011,250.27
  6. Step 6: Final answer
    x = 717,872.36

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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.