Home / 621,294.48-931,049.64-266,212.08

Finding the Fourth Proportional to 621,294.48, 931,049.64 and 266,212.08

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Solution

The fourth proportional to 621,294.48, 931,049.64 and 266,212.08 is: 398,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,294.48 : 931,049.64 = 266,212.08 : x
  2. Step 2: Convert to fraction form
    621,294.48/931,049.64 = 266,212.08/x
  3. Step 3: Cross multiply
    621,294.48x = 931,049.64 × 266,212.08
  4. Step 4: Simplify right side
    621,294.48x = 247,856,661,247.65
  5. Step 5: Solve for x
    x = 247,856,661,247.65/621,294.48
  6. Step 6: Final answer
    x = 398,935.88

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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.