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Finding the Fourth Proportional to 485,572.46, 726,947.04 and 282,549.81

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Solution

The fourth proportional to 485,572.46, 726,947.04 and 282,549.81 is: 423,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,572.46 : 726,947.04 = 282,549.81 : x
  2. Step 2: Convert to fraction form
    485,572.46/726,947.04 = 282,549.81/x
  3. Step 3: Cross multiply
    485,572.46x = 726,947.04 × 282,549.81
  4. Step 4: Simplify right side
    485,572.46x = 205,398,748,032.06
  5. Step 5: Solve for x
    x = 205,398,748,032.06/485,572.46
  6. Step 6: Final answer
    x = 423,003.29

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Why These Related Problems?

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