Home / 510,895.08-705,057.12-284,540.58

Finding the Fourth Proportional to 510,895.08, 705,057.12 and 284,540.58

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Solution

The fourth proportional to 510,895.08, 705,057.12 and 284,540.58 is: 392,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,895.08 : 705,057.12 = 284,540.58 : x
  2. Step 2: Convert to fraction form
    510,895.08/705,057.12 = 284,540.58/x
  3. Step 3: Cross multiply
    510,895.08x = 705,057.12 × 284,540.58
  4. Step 4: Simplify right side
    510,895.08x = 200,617,361,857.93
  5. Step 5: Solve for x
    x = 200,617,361,857.93/510,895.08
  6. Step 6: Final answer
    x = 392,678.20

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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.