Home / 852,267.08-1,278,068.52-319,497.50

Finding the Fourth Proportional to 852,267.08, 1,278,068.52 and 319,497.50

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Solution

The fourth proportional to 852,267.08, 1,278,068.52 and 319,497.50 is: 479,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,267.08 : 1,278,068.52 = 319,497.50 : x
  2. Step 2: Convert to fraction form
    852,267.08/1,278,068.52 = 319,497.50/x
  3. Step 3: Cross multiply
    852,267.08x = 1,278,068.52 × 319,497.50
  4. Step 4: Simplify right side
    852,267.08x = 408,339,696,968.70
  5. Step 5: Solve for x
    x = 408,339,696,968.70/852,267.08
  6. Step 6: Final answer
    x = 479,121.75

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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.