Home / 537,831.40-806,747.10-479,770.60

Finding the Fourth Proportional to 537,831.40, 806,747.10 and 479,770.60

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Solution

The fourth proportional to 537,831.40, 806,747.10 and 479,770.60 is: 719,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,831.40 : 806,747.10 = 479,770.60 : x
  2. Step 2: Convert to fraction form
    537,831.40/806,747.10 = 479,770.60/x
  3. Step 3: Cross multiply
    537,831.40x = 806,747.10 × 479,770.60
  4. Step 4: Simplify right side
    537,831.40x = 387,053,540,215.26
  5. Step 5: Solve for x
    x = 387,053,540,215.26/537,831.40
  6. Step 6: Final answer
    x = 719,655.90

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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.