Home / 755,090.64-1,042,244.66-493,485.30

Finding the Fourth Proportional to 755,090.64, 1,042,244.66 and 493,485.30

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Solution

The fourth proportional to 755,090.64, 1,042,244.66 and 493,485.30 is: 681,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,090.64 : 1,042,244.66 = 493,485.30 : x
  2. Step 2: Convert to fraction form
    755,090.64/1,042,244.66 = 493,485.30/x
  3. Step 3: Cross multiply
    755,090.64x = 1,042,244.66 × 493,485.30
  4. Step 4: Simplify right side
    755,090.64x = 514,332,418,713.50
  5. Step 5: Solve for x
    x = 514,332,418,713.50/755,090.64
  6. Step 6: Final answer
    x = 681,153.22

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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.