Home / 723,320.61-1,084,759.38-500,115.39

Finding the Fourth Proportional to 723,320.61, 1,084,759.38 and 500,115.39

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Solution

The fourth proportional to 723,320.61, 1,084,759.38 and 500,115.39 is: 750,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,320.61 : 1,084,759.38 = 500,115.39 : x
  2. Step 2: Convert to fraction form
    723,320.61/1,084,759.38 = 500,115.39/x
  3. Step 3: Cross multiply
    723,320.61x = 1,084,759.38 × 500,115.39
  4. Step 4: Simplify right side
    723,320.61x = 542,504,860,384.86
  5. Step 5: Solve for x
    x = 542,504,860,384.86/723,320.61
  6. Step 6: Final answer
    x = 750,019.91

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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.