Home / 818,248.59-1,227,452.22-278,885.25

Finding the Fourth Proportional to 818,248.59, 1,227,452.22 and 278,885.25

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Solution

The fourth proportional to 818,248.59, 1,227,452.22 and 278,885.25 is: 418,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,248.59 : 1,227,452.22 = 278,885.25 : x
  2. Step 2: Convert to fraction form
    818,248.59/1,227,452.22 = 278,885.25/x
  3. Step 3: Cross multiply
    818,248.59x = 1,227,452.22 × 278,885.25
  4. Step 4: Simplify right side
    818,248.59x = 342,318,319,237.76
  5. Step 5: Solve for x
    x = 342,318,319,237.76/818,248.59
  6. Step 6: Final answer
    x = 418,354.91

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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.