Home / 737,717.20-1,107,612.60-457,781.20

Finding the Fourth Proportional to 737,717.20, 1,107,612.60 and 457,781.20

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Solution

The fourth proportional to 737,717.20, 1,107,612.60 and 457,781.20 is: 687,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,717.20 : 1,107,612.60 = 457,781.20 : x
  2. Step 2: Convert to fraction form
    737,717.20/1,107,612.60 = 457,781.20/x
  3. Step 3: Cross multiply
    737,717.20x = 1,107,612.60 × 457,781.20
  4. Step 4: Simplify right side
    737,717.20x = 507,044,225,163.12
  5. Step 5: Solve for x
    x = 507,044,225,163.12/737,717.20
  6. Step 6: Final answer
    x = 687,315.17

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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.