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Finding the Fourth Proportional to 442,001.96, 662,434.26 and 384,841.98

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Solution

The fourth proportional to 442,001.96, 662,434.26 and 384,841.98 is: 576,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,001.96 : 662,434.26 = 384,841.98 : x
  2. Step 2: Convert to fraction form
    442,001.96/662,434.26 = 384,841.98/x
  3. Step 3: Cross multiply
    442,001.96x = 662,434.26 × 384,841.98
  4. Step 4: Simplify right side
    442,001.96x = 254,932,512,238.24
  5. Step 5: Solve for x
    x = 254,932,512,238.24/442,001.96
  6. Step 6: Final answer
    x = 576,767.83

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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.