Home / 765,694.62-1,056,890.97-443,483.82

Finding the Fourth Proportional to 765,694.62, 1,056,890.97 and 443,483.82

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Solution

The fourth proportional to 765,694.62, 1,056,890.97 and 443,483.82 is: 612,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,694.62 : 1,056,890.97 = 443,483.82 : x
  2. Step 2: Convert to fraction form
    765,694.62/1,056,890.97 = 443,483.82/x
  3. Step 3: Cross multiply
    765,694.62x = 1,056,890.97 × 443,483.82
  4. Step 4: Simplify right side
    765,694.62x = 468,714,044,699.11
  5. Step 5: Solve for x
    x = 468,714,044,699.11/765,694.62
  6. Step 6: Final answer
    x = 612,142.27

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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.