Home / 838,586.92-1,258,077.12-239,556.64

Finding the Fourth Proportional to 838,586.92, 1,258,077.12 and 239,556.64

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Solution

The fourth proportional to 838,586.92, 1,258,077.12 and 239,556.64 is: 359,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,586.92 : 1,258,077.12 = 239,556.64 : x
  2. Step 2: Convert to fraction form
    838,586.92/1,258,077.12 = 239,556.64/x
  3. Step 3: Cross multiply
    838,586.92x = 1,258,077.12 × 239,556.64
  4. Step 4: Simplify right side
    838,586.92x = 301,380,727,728.08
  5. Step 5: Solve for x
    x = 301,380,727,728.08/838,586.92
  6. Step 6: Final answer
    x = 359,391.16

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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.