Home / 816,978.15-1,225,476.14-248,451.71

Finding the Fourth Proportional to 816,978.15, 1,225,476.14 and 248,451.71

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Solution

The fourth proportional to 816,978.15, 1,225,476.14 and 248,451.71 is: 372,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,978.15 : 1,225,476.14 = 248,451.71 : x
  2. Step 2: Convert to fraction form
    816,978.15/1,225,476.14 = 248,451.71/x
  3. Step 3: Cross multiply
    816,978.15x = 1,225,476.14 × 248,451.71
  4. Step 4: Simplify right side
    816,978.15x = 304,471,635,177.56
  5. Step 5: Solve for x
    x = 304,471,635,177.56/816,978.15
  6. Step 6: Final answer
    x = 372,680.27

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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.