Home / 741,435.13-1,112,142.31-292,159.89

Finding the Fourth Proportional to 741,435.13, 1,112,142.31 and 292,159.89

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Solution

The fourth proportional to 741,435.13, 1,112,142.31 and 292,159.89 is: 438,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,435.13 : 1,112,142.31 = 292,159.89 : x
  2. Step 2: Convert to fraction form
    741,435.13/1,112,142.31 = 292,159.89/x
  3. Step 3: Cross multiply
    741,435.13x = 1,112,142.31 × 292,159.89
  4. Step 4: Simplify right side
    741,435.13x = 324,923,373,149.88
  5. Step 5: Solve for x
    x = 324,923,373,149.88/741,435.13
  6. Step 6: Final answer
    x = 438,235.74

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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.