Home / 852,271.17-1,278,074.52-319,501.50

Finding the Fourth Proportional to 852,271.17, 1,278,074.52 and 319,501.50

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Solution

The fourth proportional to 852,271.17, 1,278,074.52 and 319,501.50 is: 479,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,271.17 : 1,278,074.52 = 319,501.50 : x
  2. Step 2: Convert to fraction form
    852,271.17/1,278,074.52 = 319,501.50/x
  3. Step 3: Cross multiply
    852,271.17x = 1,278,074.52 × 319,501.50
  4. Step 4: Simplify right side
    852,271.17x = 408,346,726,251.78
  5. Step 5: Solve for x
    x = 408,346,726,251.78/852,271.17
  6. Step 6: Final answer
    x = 479,127.70

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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.