Home / 815,049.46-1,220,983.75-533,713.78

Finding the Fourth Proportional to 815,049.46, 1,220,983.75 and 533,713.78

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Solution

The fourth proportional to 815,049.46, 1,220,983.75 and 533,713.78 is: 799,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,049.46 : 1,220,983.75 = 533,713.78 : x
  2. Step 2: Convert to fraction form
    815,049.46/1,220,983.75 = 533,713.78/x
  3. Step 3: Cross multiply
    815,049.46x = 1,220,983.75 × 533,713.78
  4. Step 4: Simplify right side
    815,049.46x = 651,655,854,724.45
  5. Step 5: Solve for x
    x = 651,655,854,724.45/815,049.46
  6. Step 6: Final answer
    x = 799,529.21

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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.