Home / 709,729.20-1,062,001.80-523,105.20

Finding the Fourth Proportional to 709,729.20, 1,062,001.80 and 523,105.20

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Solution

The fourth proportional to 709,729.20, 1,062,001.80 and 523,105.20 is: 782,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,729.20 : 1,062,001.80 = 523,105.20 : x
  2. Step 2: Convert to fraction form
    709,729.20/1,062,001.80 = 523,105.20/x
  3. Step 3: Cross multiply
    709,729.20x = 1,062,001.80 × 523,105.20
  4. Step 4: Simplify right side
    709,729.20x = 555,538,663,989.36
  5. Step 5: Solve for x
    x = 555,538,663,989.36/709,729.20
  6. Step 6: Final answer
    x = 782,747.37

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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.