Home / 865,934.30-1,299,114.30-297,323.71

Finding the Fourth Proportional to 865,934.30, 1,299,114.30 and 297,323.71

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Solution

The fourth proportional to 865,934.30, 1,299,114.30 and 297,323.71 is: 446,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,934.30 : 1,299,114.30 = 297,323.71 : x
  2. Step 2: Convert to fraction form
    865,934.30/1,299,114.30 = 297,323.71/x
  3. Step 3: Cross multiply
    865,934.30x = 1,299,114.30 × 297,323.71
  4. Step 4: Simplify right side
    865,934.30x = 386,257,486,892.30
  5. Step 5: Solve for x
    x = 386,257,486,892.30/865,934.30
  6. Step 6: Final answer
    x = 446,058.65

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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.