Home / 880,885.07-1,215,722.24-493,805.03

Finding the Fourth Proportional to 880,885.07, 1,215,722.24 and 493,805.03

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Solution

The fourth proportional to 880,885.07, 1,215,722.24 and 493,805.03 is: 681,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,885.07 : 1,215,722.24 = 493,805.03 : x
  2. Step 2: Convert to fraction form
    880,885.07/1,215,722.24 = 493,805.03/x
  3. Step 3: Cross multiply
    880,885.07x = 1,215,722.24 × 493,805.03
  4. Step 4: Simplify right side
    880,885.07x = 600,329,757,765.15
  5. Step 5: Solve for x
    x = 600,329,757,765.15/880,885.07
  6. Step 6: Final answer
    x = 681,507.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.