Home / 741,499.28-1,112,335.40-268,407.44

Finding the Fourth Proportional to 741,499.28, 1,112,335.40 and 268,407.44

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Solution

The fourth proportional to 741,499.28, 1,112,335.40 and 268,407.44 is: 402,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,499.28 : 1,112,335.40 = 268,407.44 : x
  2. Step 2: Convert to fraction form
    741,499.28/1,112,335.40 = 268,407.44/x
  3. Step 3: Cross multiply
    741,499.28x = 1,112,335.40 × 268,407.44
  4. Step 4: Simplify right side
    741,499.28x = 298,559,097,135.38
  5. Step 5: Solve for x
    x = 298,559,097,135.38/741,499.28
  6. Step 6: Final answer
    x = 402,642.46

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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.