Home / 680,601.60-1,020,902.40-441,453.15

Finding the Fourth Proportional to 680,601.60, 1,020,902.40 and 441,453.15

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Solution

The fourth proportional to 680,601.60, 1,020,902.40 and 441,453.15 is: 662,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,601.60 : 1,020,902.40 = 441,453.15 : x
  2. Step 2: Convert to fraction form
    680,601.60/1,020,902.40 = 441,453.15/x
  3. Step 3: Cross multiply
    680,601.60x = 1,020,902.40 × 441,453.15
  4. Step 4: Simplify right side
    680,601.60x = 450,680,580,322.56
  5. Step 5: Solve for x
    x = 450,680,580,322.56/680,601.60
  6. Step 6: Final answer
    x = 662,179.73

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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.