Home / 657,451.14-986,310.69-297,449.07

Finding the Fourth Proportional to 657,451.14, 986,310.69 and 297,449.07

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Solution

The fourth proportional to 657,451.14, 986,310.69 and 297,449.07 is: 446,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,451.14 : 986,310.69 = 297,449.07 : x
  2. Step 2: Convert to fraction form
    657,451.14/986,310.69 = 297,449.07/x
  3. Step 3: Cross multiply
    657,451.14x = 986,310.69 × 297,449.07
  4. Step 4: Simplify right side
    657,451.14x = 293,377,197,471.56
  5. Step 5: Solve for x
    x = 293,377,197,471.56/657,451.14
  6. Step 6: Final answer
    x = 446,234.22

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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.