Home / 442,561.27-663,411.01-282,136.62

Finding the Fourth Proportional to 442,561.27, 663,411.01 and 282,136.62

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Solution

The fourth proportional to 442,561.27, 663,411.01 and 282,136.62 is: 422,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,561.27 : 663,411.01 = 282,136.62 : x
  2. Step 2: Convert to fraction form
    442,561.27/663,411.01 = 282,136.62/x
  3. Step 3: Cross multiply
    442,561.27x = 663,411.01 × 282,136.62
  4. Step 4: Simplify right side
    442,561.27x = 187,172,538,611.96
  5. Step 5: Solve for x
    x = 187,172,538,611.96/442,561.27
  6. Step 6: Final answer
    x = 422,930.23

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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.