Home / 638,352.65-880,926.44-351,877.52

Finding the Fourth Proportional to 638,352.65, 880,926.44 and 351,877.52

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Solution

The fourth proportional to 638,352.65, 880,926.44 and 351,877.52 is: 485,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,352.65 : 880,926.44 = 351,877.52 : x
  2. Step 2: Convert to fraction form
    638,352.65/880,926.44 = 351,877.52/x
  3. Step 3: Cross multiply
    638,352.65x = 880,926.44 × 351,877.52
  4. Step 4: Simplify right side
    638,352.65x = 309,978,204,845.61
  5. Step 5: Solve for x
    x = 309,978,204,845.61/638,352.65
  6. Step 6: Final answer
    x = 485,590.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.