Home / 852,924.60-1,278,567.70-663,279.80

Finding the Fourth Proportional to 852,924.60, 1,278,567.70 and 663,279.80

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Solution

The fourth proportional to 852,924.60, 1,278,567.70 and 663,279.80 is: 994,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,924.60 : 1,278,567.70 = 663,279.80 : x
  2. Step 2: Convert to fraction form
    852,924.60/1,278,567.70 = 663,279.80/x
  3. Step 3: Cross multiply
    852,924.60x = 1,278,567.70 × 663,279.80
  4. Step 4: Simplify right side
    852,924.60x = 848,048,128,342.46
  5. Step 5: Solve for x
    x = 848,048,128,342.46/852,924.60
  6. Step 6: Final answer
    x = 994,282.65

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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.