Home / 852,252.91-1,278,867.80-346,720.57

Finding the Fourth Proportional to 852,252.91, 1,278,867.80 and 346,720.57

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Solution

The fourth proportional to 852,252.91, 1,278,867.80 and 346,720.57 is: 520,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,252.91 : 1,278,867.80 = 346,720.57 : x
  2. Step 2: Convert to fraction form
    852,252.91/1,278,867.80 = 346,720.57/x
  3. Step 3: Cross multiply
    852,252.91x = 1,278,867.80 × 346,720.57
  4. Step 4: Simplify right side
    852,252.91x = 443,409,770,837.04
  5. Step 5: Solve for x
    x = 443,409,770,837.04/852,252.91
  6. Step 6: Final answer
    x = 520,279.56

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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.