Home / 765,634.92-1,056,637.20-443,350.70

Finding the Fourth Proportional to 765,634.92, 1,056,637.20 and 443,350.70

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Solution

The fourth proportional to 765,634.92, 1,056,637.20 and 443,350.70 is: 611,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,634.92 : 1,056,637.20 = 443,350.70 : x
  2. Step 2: Convert to fraction form
    765,634.92/1,056,637.20 = 443,350.70/x
  3. Step 3: Cross multiply
    765,634.92x = 1,056,637.20 × 443,350.70
  4. Step 4: Simplify right side
    765,634.92x = 468,460,842,266.04
  5. Step 5: Solve for x
    x = 468,460,842,266.04/765,634.92
  6. Step 6: Final answer
    x = 611,859.29

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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.