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Finding the Fourth Proportional to 482,707.40, 724,061.10 and 451,603.40

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Solution

The fourth proportional to 482,707.40, 724,061.10 and 451,603.40 is: 677,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,707.40 : 724,061.10 = 451,603.40 : x
  2. Step 2: Convert to fraction form
    482,707.40/724,061.10 = 451,603.40/x
  3. Step 3: Cross multiply
    482,707.40x = 724,061.10 × 451,603.40
  4. Step 4: Simplify right side
    482,707.40x = 326,988,454,567.74
  5. Step 5: Solve for x
    x = 326,988,454,567.74/482,707.40
  6. Step 6: Final answer
    x = 677,405.10

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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.