Home / 649,616.04-974,708.90-308,305.98

Finding the Fourth Proportional to 649,616.04, 974,708.90 and 308,305.98

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Solution

The fourth proportional to 649,616.04, 974,708.90 and 308,305.98 is: 462,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,616.04 : 974,708.90 = 308,305.98 : x
  2. Step 2: Convert to fraction form
    649,616.04/974,708.90 = 308,305.98/x
  3. Step 3: Cross multiply
    649,616.04x = 974,708.90 × 308,305.98
  4. Step 4: Simplify right side
    649,616.04x = 300,508,581,087.69
  5. Step 5: Solve for x
    x = 300,508,581,087.69/649,616.04
  6. Step 6: Final answer
    x = 462,594.15

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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.