Home / 755,455.57-1,042,534.98-411,293.86

Finding the Fourth Proportional to 755,455.57, 1,042,534.98 and 411,293.86

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Solution

The fourth proportional to 755,455.57, 1,042,534.98 and 411,293.86 is: 567,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,455.57 : 1,042,534.98 = 411,293.86 : x
  2. Step 2: Convert to fraction form
    755,455.57/1,042,534.98 = 411,293.86/x
  3. Step 3: Cross multiply
    755,455.57x = 1,042,534.98 × 411,293.86
  4. Step 4: Simplify right side
    755,455.57x = 428,788,236,109.22
  5. Step 5: Solve for x
    x = 428,788,236,109.22/755,455.57
  6. Step 6: Final answer
    x = 567,588.95

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Double scale
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Similar ratio
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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.