Home / 852,253.66-1,278,868.92-346,721.32

Finding the Fourth Proportional to 852,253.66, 1,278,868.92 and 346,721.32

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Solution

The fourth proportional to 852,253.66, 1,278,868.92 and 346,721.32 is: 520,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,253.66 : 1,278,868.92 = 346,721.32 : x
  2. Step 2: Convert to fraction form
    852,253.66/1,278,868.92 = 346,721.32/x
  3. Step 3: Cross multiply
    852,253.66x = 1,278,868.92 × 346,721.32
  4. Step 4: Simplify right side
    852,253.66x = 443,411,120,049.37
  5. Step 5: Solve for x
    x = 443,411,120,049.37/852,253.66
  6. Step 6: Final answer
    x = 520,280.69

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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.