Home / 657,456.12-986,318.22-297,454.08

Finding the Fourth Proportional to 657,456.12, 986,318.22 and 297,454.08

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Solution

The fourth proportional to 657,456.12, 986,318.22 and 297,454.08 is: 446,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,456.12 : 986,318.22 = 297,454.08 : x
  2. Step 2: Convert to fraction form
    657,456.12/986,318.22 = 297,454.08/x
  3. Step 3: Cross multiply
    657,456.12x = 986,318.22 × 297,454.08
  4. Step 4: Simplify right side
    657,456.12x = 293,384,378,717.34
  5. Step 5: Solve for x
    x = 293,384,378,717.34/657,456.12
  6. Step 6: Final answer
    x = 446,241.76

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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.