Home / 657,629.88-986,488.56-231,114.12

Finding the Fourth Proportional to 657,629.88, 986,488.56 and 231,114.12

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Solution

The fourth proportional to 657,629.88, 986,488.56 and 231,114.12 is: 346,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,629.88 : 986,488.56 = 231,114.12 : x
  2. Step 2: Convert to fraction form
    657,629.88/986,488.56 = 231,114.12/x
  3. Step 3: Cross multiply
    657,629.88x = 986,488.56 × 231,114.12
  4. Step 4: Simplify right side
    657,629.88x = 227,991,435,434.47
  5. Step 5: Solve for x
    x = 227,991,435,434.47/657,629.88
  6. Step 6: Final answer
    x = 346,686.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.