Home / 649,926.27-974,473.92-312,295.05

Finding the Fourth Proportional to 649,926.27, 974,473.92 and 312,295.05

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Solution

The fourth proportional to 649,926.27, 974,473.92 and 312,295.05 is: 468,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,926.27 : 974,473.92 = 312,295.05 : x
  2. Step 2: Convert to fraction form
    649,926.27/974,473.92 = 312,295.05/x
  3. Step 3: Cross multiply
    649,926.27x = 974,473.92 × 312,295.05
  4. Step 4: Simplify right side
    649,926.27x = 304,323,381,570.10
  5. Step 5: Solve for x
    x = 304,323,381,570.10/649,926.27
  6. Step 6: Final answer
    x = 468,242.93

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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.