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Finding the Fourth Proportional to 472,672.20, 709,008.30 and 454,301.40

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Solution

The fourth proportional to 472,672.20, 709,008.30 and 454,301.40 is: 681,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,672.20 : 709,008.30 = 454,301.40 : x
  2. Step 2: Convert to fraction form
    472,672.20/709,008.30 = 454,301.40/x
  3. Step 3: Cross multiply
    472,672.20x = 709,008.30 × 454,301.40
  4. Step 4: Simplify right side
    472,672.20x = 322,103,463,301.62
  5. Step 5: Solve for x
    x = 322,103,463,301.62/472,672.20
  6. Step 6: Final answer
    x = 681,452.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.