Home / 852,782.66-1,278,951.15-253,582.58

Finding the Fourth Proportional to 852,782.66, 1,278,951.15 and 253,582.58

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Solution

The fourth proportional to 852,782.66, 1,278,951.15 and 253,582.58 is: 380,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,782.66 : 1,278,951.15 = 253,582.58 : x
  2. Step 2: Convert to fraction form
    852,782.66/1,278,951.15 = 253,582.58/x
  3. Step 3: Cross multiply
    852,782.66x = 1,278,951.15 × 253,582.58
  4. Step 4: Simplify right side
    852,782.66x = 324,319,732,310.97
  5. Step 5: Solve for x
    x = 324,319,732,310.97/852,782.66
  6. Step 6: Final answer
    x = 380,307.61

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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.