Home / 818,110.80-1,227,166.20-499,246.20

Finding the Fourth Proportional to 818,110.80, 1,227,166.20 and 499,246.20

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Solution

The fourth proportional to 818,110.80, 1,227,166.20 and 499,246.20 is: 748,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,110.80 : 1,227,166.20 = 499,246.20 : x
  2. Step 2: Convert to fraction form
    818,110.80/1,227,166.20 = 499,246.20/x
  3. Step 3: Cross multiply
    818,110.80x = 1,227,166.20 × 499,246.20
  4. Step 4: Simplify right side
    818,110.80x = 612,658,062,118.44
  5. Step 5: Solve for x
    x = 612,658,062,118.44/818,110.80
  6. Step 6: Final answer
    x = 748,869.30

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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.