Home / 765,006.73-1,055,751.30-442,820.61

Finding the Fourth Proportional to 765,006.73, 1,055,751.30 and 442,820.61

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Solution

The fourth proportional to 765,006.73, 1,055,751.30 and 442,820.61 is: 611,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,006.73 : 1,055,751.30 = 442,820.61 : x
  2. Step 2: Convert to fraction form
    765,006.73/1,055,751.30 = 442,820.61/x
  3. Step 3: Cross multiply
    765,006.73x = 1,055,751.30 × 442,820.61
  4. Step 4: Simplify right side
    765,006.73x = 467,508,434,674.29
  5. Step 5: Solve for x
    x = 467,508,434,674.29/765,006.73
  6. Step 6: Final answer
    x = 611,116.76

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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.