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Finding the Fourth Proportional to 649,700.90, 974,717.42 and 250,234.41

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Solution

The fourth proportional to 649,700.90, 974,717.42 and 250,234.41 is: 375,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,700.90 : 974,717.42 = 250,234.41 : x
  2. Step 2: Convert to fraction form
    649,700.90/974,717.42 = 250,234.41/x
  3. Step 3: Cross multiply
    649,700.90x = 974,717.42 × 250,234.41
  4. Step 4: Simplify right side
    649,700.90x = 243,907,838,510.42
  5. Step 5: Solve for x
    x = 243,907,838,510.42/649,700.90
  6. Step 6: Final answer
    x = 375,415.58

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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.