Home / 426,250.84-639,045.76-276,174.04

Finding the Fourth Proportional to 426,250.84, 639,045.76 and 276,174.04

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Solution

The fourth proportional to 426,250.84, 639,045.76 and 276,174.04 is: 414,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,250.84 : 639,045.76 = 276,174.04 : x
  2. Step 2: Convert to fraction form
    426,250.84/639,045.76 = 276,174.04/x
  3. Step 3: Cross multiply
    426,250.84x = 639,045.76 × 276,174.04
  4. Step 4: Simplify right side
    426,250.84x = 176,487,849,284.07
  5. Step 5: Solve for x
    x = 176,487,849,284.07/426,250.84
  6. Step 6: Final answer
    x = 414,046.92

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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.