Home / 880,306.75-1,320,649.56-273,082.96

Finding the Fourth Proportional to 880,306.75, 1,320,649.56 and 273,082.96

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Solution

The fourth proportional to 880,306.75, 1,320,649.56 and 273,082.96 is: 409,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,306.75 : 1,320,649.56 = 273,082.96 : x
  2. Step 2: Convert to fraction form
    880,306.75/1,320,649.56 = 273,082.96/x
  3. Step 3: Cross multiply
    880,306.75x = 1,320,649.56 × 273,082.96
  4. Step 4: Simplify right side
    880,306.75x = 360,646,890,967.50
  5. Step 5: Solve for x
    x = 360,646,890,967.50/880,306.75
  6. Step 6: Final answer
    x = 409,683.21

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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.