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Finding the Fourth Proportional to 637,704.88, 955,901.22 and 282,886

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Solution

The fourth proportional to 637,704.88, 955,901.22 and 282,886 is: 424,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,704.88 : 955,901.22 = 282,886 : x
  2. Step 2: Convert to fraction form
    637,704.88/955,901.22 = 282,886/x
  3. Step 3: Cross multiply
    637,704.88x = 955,901.22 × 282,886
  4. Step 4: Simplify right side
    637,704.88x = 270,411,072,520.92
  5. Step 5: Solve for x
    x = 270,411,072,520.92/637,704.88
  6. Step 6: Final answer
    x = 424,037.95

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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.