Home / 815,054.46-1,220,991.24-533,718.78

Finding the Fourth Proportional to 815,054.46, 1,220,991.24 and 533,718.78

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Solution

The fourth proportional to 815,054.46, 1,220,991.24 and 533,718.78 is: 799,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,054.46 : 1,220,991.24 = 533,718.78 : x
  2. Step 2: Convert to fraction form
    815,054.46/1,220,991.24 = 533,718.78/x
  3. Step 3: Cross multiply
    815,054.46x = 1,220,991.24 × 533,718.78
  4. Step 4: Simplify right side
    815,054.46x = 651,665,955,003.49
  5. Step 5: Solve for x
    x = 651,665,955,003.49/815,054.46
  6. Step 6: Final answer
    x = 799,536.70

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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.