Home / 852,292.55-1,278,106.58-319,522.88

Finding the Fourth Proportional to 852,292.55, 1,278,106.58 and 319,522.88

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Solution

The fourth proportional to 852,292.55, 1,278,106.58 and 319,522.88 is: 479,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,292.55 : 1,278,106.58 = 319,522.88 : x
  2. Step 2: Convert to fraction form
    852,292.55/1,278,106.58 = 319,522.88/x
  3. Step 3: Cross multiply
    852,292.55x = 1,278,106.58 × 319,522.88
  4. Step 4: Simplify right side
    852,292.55x = 408,384,287,400.40
  5. Step 5: Solve for x
    x = 408,384,287,400.40/852,292.55
  6. Step 6: Final answer
    x = 479,159.76

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1.5x scale

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.