Home / 657,668.10-986,502.15-258,176.10

Finding the Fourth Proportional to 657,668.10, 986,502.15 and 258,176.10

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Solution

The fourth proportional to 657,668.10, 986,502.15 and 258,176.10 is: 387,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,668.10 : 986,502.15 = 258,176.10 : x
  2. Step 2: Convert to fraction form
    657,668.10/986,502.15 = 258,176.10/x
  3. Step 3: Cross multiply
    657,668.10x = 986,502.15 × 258,176.10
  4. Step 4: Simplify right side
    657,668.10x = 254,691,277,728.62
  5. Step 5: Solve for x
    x = 254,691,277,728.62/657,668.10
  6. Step 6: Final answer
    x = 387,264.15

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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.