Home / 502,140.40-693,054.33-298,304.57

Finding the Fourth Proportional to 502,140.40, 693,054.33 and 298,304.57

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Solution

The fourth proportional to 502,140.40, 693,054.33 and 298,304.57 is: 411,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,140.40 : 693,054.33 = 298,304.57 : x
  2. Step 2: Convert to fraction form
    502,140.40/693,054.33 = 298,304.57/x
  3. Step 3: Cross multiply
    502,140.40x = 693,054.33 × 298,304.57
  4. Step 4: Simplify right side
    502,140.40x = 206,741,274,511.28
  5. Step 5: Solve for x
    x = 206,741,274,511.28/502,140.40
  6. Step 6: Final answer
    x = 411,720.06

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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.