Home / 741,761.20-1,113,098.63-292,405.60

Finding the Fourth Proportional to 741,761.20, 1,113,098.63 and 292,405.60

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Solution

The fourth proportional to 741,761.20, 1,113,098.63 and 292,405.60 is: 438,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,761.20 : 1,113,098.63 = 292,405.60 : x
  2. Step 2: Convert to fraction form
    741,761.20/1,113,098.63 = 292,405.60/x
  3. Step 3: Cross multiply
    741,761.20x = 1,113,098.63 × 292,405.60
  4. Step 4: Simplify right side
    741,761.20x = 325,476,267,929.85
  5. Step 5: Solve for x
    x = 325,476,267,929.85/741,761.20
  6. Step 6: Final answer
    x = 438,788.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.