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Finding the Fourth Proportional to 651,707.76, 898,414.29 and 457,524.21

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Solution

The fourth proportional to 651,707.76, 898,414.29 and 457,524.21 is: 630,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,707.76 : 898,414.29 = 457,524.21 : x
  2. Step 2: Convert to fraction form
    651,707.76/898,414.29 = 457,524.21/x
  3. Step 3: Cross multiply
    651,707.76x = 898,414.29 × 457,524.21
  4. Step 4: Simplify right side
    651,707.76x = 411,046,288,284.96
  5. Step 5: Solve for x
    x = 411,046,288,284.96/651,707.76
  6. Step 6: Final answer
    x = 630,721.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.