Home / 649,369.20-974,053.80-531,271.20

Finding the Fourth Proportional to 649,369.20, 974,053.80 and 531,271.20

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Solution

The fourth proportional to 649,369.20, 974,053.80 and 531,271.20 is: 796,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,369.20 : 974,053.80 = 531,271.20 : x
  2. Step 2: Convert to fraction form
    649,369.20/974,053.80 = 531,271.20/x
  3. Step 3: Cross multiply
    649,369.20x = 974,053.80 × 531,271.20
  4. Step 4: Simplify right side
    649,369.20x = 517,486,731,190.56
  5. Step 5: Solve for x
    x = 517,486,731,190.56/649,369.20
  6. Step 6: Final answer
    x = 796,906.80

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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.