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Finding the Fourth Proportional to 496,877.82, 685,691.10 and 270,523.32

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Solution

The fourth proportional to 496,877.82, 685,691.10 and 270,523.32 is: 373,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,877.82 : 685,691.10 = 270,523.32 : x
  2. Step 2: Convert to fraction form
    496,877.82/685,691.10 = 270,523.32/x
  3. Step 3: Cross multiply
    496,877.82x = 685,691.10 × 270,523.32
  4. Step 4: Simplify right side
    496,877.82x = 185,495,432,866.45
  5. Step 5: Solve for x
    x = 185,495,432,866.45/496,877.82
  6. Step 6: Final answer
    x = 373,322.02

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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.