Home / 755,310.86-1,042,352.46-411,169.70

Finding the Fourth Proportional to 755,310.86, 1,042,352.46 and 411,169.70

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Solution

The fourth proportional to 755,310.86, 1,042,352.46 and 411,169.70 is: 567,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,310.86 : 1,042,352.46 = 411,169.70 : x
  2. Step 2: Convert to fraction form
    755,310.86/1,042,352.46 = 411,169.70/x
  3. Step 3: Cross multiply
    755,310.86x = 1,042,352.46 × 411,169.70
  4. Step 4: Simplify right side
    755,310.86x = 428,583,748,272.46
  5. Step 5: Solve for x
    x = 428,583,748,272.46/755,310.86
  6. Step 6: Final answer
    x = 567,426.96

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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.