Home / 649,623.92-974,515.08-275,520.56

Finding the Fourth Proportional to 649,623.92, 974,515.08 and 275,520.56

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Solution

The fourth proportional to 649,623.92, 974,515.08 and 275,520.56 is: 413,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,623.92 : 974,515.08 = 275,520.56 : x
  2. Step 2: Convert to fraction form
    649,623.92/974,515.08 = 275,520.56/x
  3. Step 3: Cross multiply
    649,623.92x = 974,515.08 × 275,520.56
  4. Step 4: Simplify right side
    649,623.92x = 268,498,940,570.05
  5. Step 5: Solve for x
    x = 268,498,940,570.05/649,623.92
  6. Step 6: Final answer
    x = 413,314.43

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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.