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Finding the Fourth Proportional to 482,801.30, 724,547.55 and 272,215.70

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Solution

The fourth proportional to 482,801.30, 724,547.55 and 272,215.70 is: 408,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,801.30 : 724,547.55 = 272,215.70 : x
  2. Step 2: Convert to fraction form
    482,801.30/724,547.55 = 272,215.70/x
  3. Step 3: Cross multiply
    482,801.30x = 724,547.55 × 272,215.70
  4. Step 4: Simplify right side
    482,801.30x = 197,233,218,506.54
  5. Step 5: Solve for x
    x = 197,233,218,506.54/482,801.30
  6. Step 6: Final answer
    x = 408,518.41

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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.