Home / 649,868.88-974,428.10-200,469.08

Finding the Fourth Proportional to 649,868.88, 974,428.10 and 200,469.08

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Solution

The fourth proportional to 649,868.88, 974,428.10 and 200,469.08 is: 300,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,868.88 : 974,428.10 = 200,469.08 : x
  2. Step 2: Convert to fraction form
    649,868.88/974,428.10 = 200,469.08/x
  3. Step 3: Cross multiply
    649,868.88x = 974,428.10 × 200,469.08
  4. Step 4: Simplify right side
    649,868.88x = 195,342,707,670.39
  5. Step 5: Solve for x
    x = 195,342,707,670.39/649,868.88
  6. Step 6: Final answer
    x = 300,587.88

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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.