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Finding the Fourth Proportional to 657,042.63, 906,718.42 and 370,562.03

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Solution

The fourth proportional to 657,042.63, 906,718.42 and 370,562.03 is: 511,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,042.63 : 906,718.42 = 370,562.03 : x
  2. Step 2: Convert to fraction form
    657,042.63/906,718.42 = 370,562.03/x
  3. Step 3: Cross multiply
    657,042.63x = 906,718.42 × 370,562.03
  4. Step 4: Simplify right side
    657,042.63x = 335,995,418,353.59
  5. Step 5: Solve for x
    x = 335,995,418,353.59/657,042.63
  6. Step 6: Final answer
    x = 511,375.37

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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.