Home / 807,481.31-1,211,158.34-352,061.78

Finding the Fourth Proportional to 807,481.31, 1,211,158.34 and 352,061.78

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Solution

The fourth proportional to 807,481.31, 1,211,158.34 and 352,061.78 is: 528,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,481.31 : 1,211,158.34 = 352,061.78 : x
  2. Step 2: Convert to fraction form
    807,481.31/1,211,158.34 = 352,061.78/x
  3. Step 3: Cross multiply
    807,481.31x = 1,211,158.34 × 352,061.78
  4. Step 4: Simplify right side
    807,481.31x = 426,402,554,546.38
  5. Step 5: Solve for x
    x = 426,402,554,546.38/807,481.31
  6. Step 6: Final answer
    x = 528,064.92

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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.