Home / 807,475.32-1,210,307.76-327,591.72

Finding the Fourth Proportional to 807,475.32, 1,210,307.76 and 327,591.72

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Solution

The fourth proportional to 807,475.32, 1,210,307.76 and 327,591.72 is: 491,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,475.32 : 1,210,307.76 = 327,591.72 : x
  2. Step 2: Convert to fraction form
    807,475.32/1,210,307.76 = 327,591.72/x
  3. Step 3: Cross multiply
    807,475.32x = 1,210,307.76 × 327,591.72
  4. Step 4: Simplify right side
    807,475.32x = 396,486,800,827.75
  5. Step 5: Solve for x
    x = 396,486,800,827.75/807,475.32
  6. Step 6: Final answer
    x = 491,020.33

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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.