Home / 649,252.35-972,402.30-410,103.90

Finding the Fourth Proportional to 649,252.35, 972,402.30 and 410,103.90

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Solution

The fourth proportional to 649,252.35, 972,402.30 and 410,103.90 is: 614,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,252.35 : 972,402.30 = 410,103.90 : x
  2. Step 2: Convert to fraction form
    649,252.35/972,402.30 = 410,103.90/x
  3. Step 3: Cross multiply
    649,252.35x = 972,402.30 × 410,103.90
  4. Step 4: Simplify right side
    649,252.35x = 398,785,975,598.97
  5. Step 5: Solve for x
    x = 398,785,975,598.97/649,252.35
  6. Step 6: Final answer
    x = 614,223.38

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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.