Home / 755,590.24-1,042,712.89-411,420.83

Finding the Fourth Proportional to 755,590.24, 1,042,712.89 and 411,420.83

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Solution

The fourth proportional to 755,590.24, 1,042,712.89 and 411,420.83 is: 567,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,590.24 : 1,042,712.89 = 411,420.83 : x
  2. Step 2: Convert to fraction form
    755,590.24/1,042,712.89 = 411,420.83/x
  3. Step 3: Cross multiply
    755,590.24x = 1,042,712.89 × 411,420.83
  4. Step 4: Simplify right side
    755,590.24x = 428,993,802,655.50
  5. Step 5: Solve for x
    x = 428,993,802,655.50/755,590.24
  6. Step 6: Final answer
    x = 567,759.85

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Double scale
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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.