Home / 649,927.27-974,475.42-312,296.05

Finding the Fourth Proportional to 649,927.27, 974,475.42 and 312,296.05

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Solution

The fourth proportional to 649,927.27, 974,475.42 and 312,296.05 is: 468,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,927.27 : 974,475.42 = 312,296.05 : x
  2. Step 2: Convert to fraction form
    649,927.27/974,475.42 = 312,296.05/x
  3. Step 3: Cross multiply
    649,927.27x = 974,475.42 × 312,296.05
  4. Step 4: Simplify right side
    649,927.27x = 304,324,824,488.09
  5. Step 5: Solve for x
    x = 304,324,824,488.09/649,927.27
  6. Step 6: Final answer
    x = 468,244.43

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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.