Home / 741,536.60-1,023,318.46-402,003.80

Finding the Fourth Proportional to 741,536.60, 1,023,318.46 and 402,003.80

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Solution

The fourth proportional to 741,536.60, 1,023,318.46 and 402,003.80 is: 554,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,536.60 : 1,023,318.46 = 402,003.80 : x
  2. Step 2: Convert to fraction form
    741,536.60/1,023,318.46 = 402,003.80/x
  3. Step 3: Cross multiply
    741,536.60x = 1,023,318.46 × 402,003.80
  4. Step 4: Simplify right side
    741,536.60x = 411,377,909,530.15
  5. Step 5: Solve for x
    x = 411,377,909,530.15/741,536.60
  6. Step 6: Final answer
    x = 554,764.13

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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.