Home / 852,468.32-1,278,287.76-453,300.32

Finding the Fourth Proportional to 852,468.32, 1,278,287.76 and 453,300.32

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Solution

The fourth proportional to 852,468.32, 1,278,287.76 and 453,300.32 is: 679,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,468.32 : 1,278,287.76 = 453,300.32 : x
  2. Step 2: Convert to fraction form
    852,468.32/1,278,287.76 = 453,300.32/x
  3. Step 3: Cross multiply
    852,468.32x = 1,278,287.76 × 453,300.32
  4. Step 4: Simplify right side
    852,468.32x = 579,448,250,660.08
  5. Step 5: Solve for x
    x = 579,448,250,660.08/852,468.32
  6. Step 6: Final answer
    x = 679,729.95

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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.