Home / 742,174.56-1,113,258.96-268,749.18

Finding the Fourth Proportional to 742,174.56, 1,113,258.96 and 268,749.18

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Solution

The fourth proportional to 742,174.56, 1,113,258.96 and 268,749.18 is: 403,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,174.56 : 1,113,258.96 = 268,749.18 : x
  2. Step 2: Convert to fraction form
    742,174.56/1,113,258.96 = 268,749.18/x
  3. Step 3: Cross multiply
    742,174.56x = 1,113,258.96 × 268,749.18
  4. Step 4: Simplify right side
    742,174.56x = 299,187,432,627.65
  5. Step 5: Solve for x
    x = 299,187,432,627.65/742,174.56
  6. Step 6: Final answer
    x = 403,122.73

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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.