Home / 741,791.60-1,023,672.68-402,259.76

Finding the Fourth Proportional to 741,791.60, 1,023,672.68 and 402,259.76

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Solution

The fourth proportional to 741,791.60, 1,023,672.68 and 402,259.76 is: 555,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,791.60 : 1,023,672.68 = 402,259.76 : x
  2. Step 2: Convert to fraction form
    741,791.60/1,023,672.68 = 402,259.76/x
  3. Step 3: Cross multiply
    741,791.60x = 1,023,672.68 × 402,259.76
  4. Step 4: Simplify right side
    741,791.60x = 411,782,326,575.36
  5. Step 5: Solve for x
    x = 411,782,326,575.36/741,791.60
  6. Step 6: Final answer
    x = 555,118.62

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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.