Home / 765,205.03-1,056,098.42-443,125.54

Finding the Fourth Proportional to 765,205.03, 1,056,098.42 and 443,125.54

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Solution

The fourth proportional to 765,205.03, 1,056,098.42 and 443,125.54 is: 611,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,205.03 : 1,056,098.42 = 443,125.54 : x
  2. Step 2: Convert to fraction form
    765,205.03/1,056,098.42 = 443,125.54/x
  3. Step 3: Cross multiply
    765,205.03x = 1,056,098.42 × 443,125.54
  4. Step 4: Simplify right side
    765,205.03x = 467,984,182,655.65
  5. Step 5: Solve for x
    x = 467,984,182,655.65/765,205.03
  6. Step 6: Final answer
    x = 611,580.12

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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.