Home / 755,452.32-1,042,530.48-411,290.61

Finding the Fourth Proportional to 755,452.32, 1,042,530.48 and 411,290.61

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Solution

The fourth proportional to 755,452.32, 1,042,530.48 and 411,290.61 is: 567,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,452.32 : 1,042,530.48 = 411,290.61 : x
  2. Step 2: Convert to fraction form
    755,452.32/1,042,530.48 = 411,290.61/x
  3. Step 3: Cross multiply
    755,452.32x = 1,042,530.48 × 411,290.61
  4. Step 4: Simplify right side
    755,452.32x = 428,782,997,062.79
  5. Step 5: Solve for x
    x = 428,782,997,062.79/755,452.32
  6. Step 6: Final answer
    x = 567,584.46

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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.