Home / 765,461.45-1,056,268.17-443,193.36

Finding the Fourth Proportional to 765,461.45, 1,056,268.17 and 443,193.36

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Solution

The fourth proportional to 765,461.45, 1,056,268.17 and 443,193.36 is: 611,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,461.45 : 1,056,268.17 = 443,193.36 : x
  2. Step 2: Convert to fraction form
    765,461.45/1,056,268.17 = 443,193.36/x
  3. Step 3: Cross multiply
    765,461.45x = 1,056,268.17 × 443,193.36
  4. Step 4: Simplify right side
    765,461.45x = 468,131,039,323.35
  5. Step 5: Solve for x
    x = 468,131,039,323.35/765,461.45
  6. Step 6: Final answer
    x = 611,567.10

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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.