Home / 748,833.30-1,123,311.92-243,194.36

Finding the Fourth Proportional to 748,833.30, 1,123,311.92 and 243,194.36

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Solution

The fourth proportional to 748,833.30, 1,123,311.92 and 243,194.36 is: 364,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,833.30 : 1,123,311.92 = 243,194.36 : x
  2. Step 2: Convert to fraction form
    748,833.30/1,123,311.92 = 243,194.36/x
  3. Step 3: Cross multiply
    748,833.30x = 1,123,311.92 × 243,194.36
  4. Step 4: Simplify right side
    748,833.30x = 273,183,116,632.24
  5. Step 5: Solve for x
    x = 273,183,116,632.24/748,833.30
  6. Step 6: Final answer
    x = 364,811.66

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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.