Home / 635,317.57-876,766.85-380,663.29

Finding the Fourth Proportional to 635,317.57, 876,766.85 and 380,663.29

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Solution

The fourth proportional to 635,317.57, 876,766.85 and 380,663.29 is: 525,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,317.57 : 876,766.85 = 380,663.29 : x
  2. Step 2: Convert to fraction form
    635,317.57/876,766.85 = 380,663.29/x
  3. Step 3: Cross multiply
    635,317.57x = 876,766.85 × 380,663.29
  4. Step 4: Simplify right side
    635,317.57x = 333,752,951,780.62
  5. Step 5: Solve for x
    x = 333,752,951,780.62/635,317.57
  6. Step 6: Final answer
    x = 525,332.48

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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.