Home / 649,519.80-974,427.30-294,635.40

Finding the Fourth Proportional to 649,519.80, 974,427.30 and 294,635.40

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Solution

The fourth proportional to 649,519.80, 974,427.30 and 294,635.40 is: 442,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,519.80 : 974,427.30 = 294,635.40 : x
  2. Step 2: Convert to fraction form
    649,519.80/974,427.30 = 294,635.40/x
  3. Step 3: Cross multiply
    649,519.80x = 974,427.30 × 294,635.40
  4. Step 4: Simplify right side
    649,519.80x = 287,100,777,306.42
  5. Step 5: Solve for x
    x = 287,100,777,306.42/649,519.80
  6. Step 6: Final answer
    x = 442,020.05

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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.