Home / 755,360.73-1,042,397.78-411,199.14

Finding the Fourth Proportional to 755,360.73, 1,042,397.78 and 411,199.14

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Solution

The fourth proportional to 755,360.73, 1,042,397.78 and 411,199.14 is: 567,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,360.73 : 1,042,397.78 = 411,199.14 : x
  2. Step 2: Convert to fraction form
    755,360.73/1,042,397.78 = 411,199.14/x
  3. Step 3: Cross multiply
    755,360.73x = 1,042,397.78 × 411,199.14
  4. Step 4: Simplify right side
    755,360.73x = 428,633,068,617.91
  5. Step 5: Solve for x
    x = 428,633,068,617.91/755,360.73
  6. Step 6: Final answer
    x = 567,454.80

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1.5x scale

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.