Home / 852,253.91-1,278,869.30-346,721.57

Finding the Fourth Proportional to 852,253.91, 1,278,869.30 and 346,721.57

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Solution

The fourth proportional to 852,253.91, 1,278,869.30 and 346,721.57 is: 520,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,253.91 : 1,278,869.30 = 346,721.57 : x
  2. Step 2: Convert to fraction form
    852,253.91/1,278,869.30 = 346,721.57/x
  3. Step 3: Cross multiply
    852,253.91x = 1,278,869.30 × 346,721.57
  4. Step 4: Simplify right side
    852,253.91x = 443,411,571,520.80
  5. Step 5: Solve for x
    x = 443,411,571,520.80/852,253.91
  6. Step 6: Final answer
    x = 520,281.06

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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.