Home / 784,400.06-1,176,445.17-215,634.41

Finding the Fourth Proportional to 784,400.06, 1,176,445.17 and 215,634.41

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Solution

The fourth proportional to 784,400.06, 1,176,445.17 and 215,634.41 is: 323,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,400.06 : 1,176,445.17 = 215,634.41 : x
  2. Step 2: Convert to fraction form
    784,400.06/1,176,445.17 = 215,634.41/x
  3. Step 3: Cross multiply
    784,400.06x = 1,176,445.17 × 215,634.41
  4. Step 4: Simplify right side
    784,400.06x = 253,682,053,169.90
  5. Step 5: Solve for x
    x = 253,682,053,169.90/784,400.06
  6. Step 6: Final answer
    x = 323,409.02

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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.