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Finding the Fourth Proportional to 472,963.20, 709,444.80 and 454,300.80

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Solution

The fourth proportional to 472,963.20, 709,444.80 and 454,300.80 is: 681,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,963.20 : 709,444.80 = 454,300.80 : x
  2. Step 2: Convert to fraction form
    472,963.20/709,444.80 = 454,300.80/x
  3. Step 3: Cross multiply
    472,963.20x = 709,444.80 × 454,300.80
  4. Step 4: Simplify right side
    472,963.20x = 322,301,340,195.84
  5. Step 5: Solve for x
    x = 322,301,340,195.84/472,963.20
  6. Step 6: Final answer
    x = 681,451.20

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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.