Home / 852,923.60-1,278,566.20-663,278.80

Finding the Fourth Proportional to 852,923.60, 1,278,566.20 and 663,278.80

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Solution

The fourth proportional to 852,923.60, 1,278,566.20 and 663,278.80 is: 994,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,923.60 : 1,278,566.20 = 663,278.80 : x
  2. Step 2: Convert to fraction form
    852,923.60/1,278,566.20 = 663,278.80/x
  3. Step 3: Cross multiply
    852,923.60x = 1,278,566.20 × 663,278.80
  4. Step 4: Simplify right side
    852,923.60x = 848,045,854,856.56
  5. Step 5: Solve for x
    x = 848,045,854,856.56/852,923.60
  6. Step 6: Final answer
    x = 994,281.15

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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.