Home / 502,087.50-692,878.25-272,642.75

Finding the Fourth Proportional to 502,087.50, 692,878.25 and 272,642.75

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Solution

The fourth proportional to 502,087.50, 692,878.25 and 272,642.75 is: 376,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,087.50 : 692,878.25 = 272,642.75 : x
  2. Step 2: Convert to fraction form
    502,087.50/692,878.25 = 272,642.75/x
  3. Step 3: Cross multiply
    502,087.50x = 692,878.25 × 272,642.75
  4. Step 4: Simplify right side
    502,087.50x = 188,908,231,310.70
  5. Step 5: Solve for x
    x = 188,908,231,310.70/502,087.50
  6. Step 6: Final answer
    x = 376,245.64

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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.