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Finding the Fourth Proportional to 482,821.90, 724,405.65 and 202,425.10

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Solution

The fourth proportional to 482,821.90, 724,405.65 and 202,425.10 is: 303,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,821.90 : 724,405.65 = 202,425.10 : x
  2. Step 2: Convert to fraction form
    482,821.90/724,405.65 = 202,425.10/x
  3. Step 3: Cross multiply
    482,821.90x = 724,405.65 × 202,425.10
  4. Step 4: Simplify right side
    482,821.90x = 146,637,886,141.82
  5. Step 5: Solve for x
    x = 146,637,886,141.82/482,821.90
  6. Step 6: Final answer
    x = 303,710.10

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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.