Home / 765,966.24-1,056,965.76-443,573.28

Finding the Fourth Proportional to 765,966.24, 1,056,965.76 and 443,573.28

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Solution

The fourth proportional to 765,966.24, 1,056,965.76 and 443,573.28 is: 612,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,966.24 : 1,056,965.76 = 443,573.28 : x
  2. Step 2: Convert to fraction form
    765,966.24/1,056,965.76 = 443,573.28/x
  3. Step 3: Cross multiply
    765,966.24x = 1,056,965.76 × 443,573.28
  4. Step 4: Simplify right side
    765,966.24x = 468,841,769,010.89
  5. Step 5: Solve for x
    x = 468,841,769,010.89/765,966.24
  6. Step 6: Final answer
    x = 612,091.95

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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.