Home / 852,275.58-1,278,081.27-319,506

Finding the Fourth Proportional to 852,275.58, 1,278,081.27 and 319,506

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Solution

The fourth proportional to 852,275.58, 1,278,081.27 and 319,506 is: 479,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,275.58 : 1,278,081.27 = 319,506 : x
  2. Step 2: Convert to fraction form
    852,275.58/1,278,081.27 = 319,506/x
  3. Step 3: Cross multiply
    852,275.58x = 1,278,081.27 × 319,506
  4. Step 4: Simplify right side
    852,275.58x = 408,354,634,252.62
  5. Step 5: Solve for x
    x = 408,354,634,252.62/852,275.58
  6. Step 6: Final answer
    x = 479,134.50

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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.