Home / 741,139-1,113,196.20-442,202.92

Finding the Fourth Proportional to 741,139, 1,113,196.20 and 442,202.92

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Solution

The fourth proportional to 741,139, 1,113,196.20 and 442,202.92 is: 664,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,139 : 1,113,196.20 = 442,202.92 : x
  2. Step 2: Convert to fraction form
    741,139/1,113,196.20 = 442,202.92/x
  3. Step 3: Cross multiply
    741,139x = 1,113,196.20 × 442,202.92
  4. Step 4: Simplify right side
    741,139x = 492,258,610,172.90
  5. Step 5: Solve for x
    x = 492,258,610,172.90/741,139
  6. Step 6: Final answer
    x = 664,192.02

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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.