Home / 649,834.03-974,753.78-426,606.94

Finding the Fourth Proportional to 649,834.03, 974,753.78 and 426,606.94

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Solution

The fourth proportional to 649,834.03, 974,753.78 and 426,606.94 is: 639,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,834.03 : 974,753.78 = 426,606.94 : x
  2. Step 2: Convert to fraction form
    649,834.03/974,753.78 = 426,606.94/x
  3. Step 3: Cross multiply
    649,834.03x = 974,753.78 × 426,606.94
  4. Step 4: Simplify right side
    649,834.03x = 415,836,727,339.23
  5. Step 5: Solve for x
    x = 415,836,727,339.23/649,834.03
  6. Step 6: Final answer
    x = 639,912.21

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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.