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Finding the Fourth Proportional to 424,689.27, 586,096.43 and 243,412.92

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Solution

The fourth proportional to 424,689.27, 586,096.43 and 243,412.92 is: 335,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,689.27 : 586,096.43 = 243,412.92 : x
  2. Step 2: Convert to fraction form
    424,689.27/586,096.43 = 243,412.92/x
  3. Step 3: Cross multiply
    424,689.27x = 586,096.43 × 243,412.92
  4. Step 4: Simplify right side
    424,689.27x = 142,663,439,280.33
  5. Step 5: Solve for x
    x = 142,663,439,280.33/424,689.27
  6. Step 6: Final answer
    x = 335,924.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.