Home / 765,525.24-1,056,356.10-443,257.16

Finding the Fourth Proportional to 765,525.24, 1,056,356.10 and 443,257.16

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Solution

The fourth proportional to 765,525.24, 1,056,356.10 and 443,257.16 is: 611,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,525.24 : 1,056,356.10 = 443,257.16 : x
  2. Step 2: Convert to fraction form
    765,525.24/1,056,356.10 = 443,257.16/x
  3. Step 3: Cross multiply
    765,525.24x = 1,056,356.10 × 443,257.16
  4. Step 4: Simplify right side
    765,525.24x = 468,237,399,552.90
  5. Step 5: Solve for x
    x = 468,237,399,552.90/765,525.24
  6. Step 6: Final answer
    x = 611,655.08

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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.