Home / 742,147.52-1,113,218.51-268,722.14

Finding the Fourth Proportional to 742,147.52, 1,113,218.51 and 268,722.14

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Solution

The fourth proportional to 742,147.52, 1,113,218.51 and 268,722.14 is: 403,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,147.52 : 1,113,218.51 = 268,722.14 : x
  2. Step 2: Convert to fraction form
    742,147.52/1,113,218.51 = 268,722.14/x
  3. Step 3: Cross multiply
    742,147.52x = 1,113,218.51 × 268,722.14
  4. Step 4: Simplify right side
    742,147.52x = 299,146,453,385.11
  5. Step 5: Solve for x
    x = 299,146,453,385.11/742,147.52
  6. Step 6: Final answer
    x = 403,082.20

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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.