Home / 784,097.22-1,176,158.72-215,474.76

Finding the Fourth Proportional to 784,097.22, 1,176,158.72 and 215,474.76

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Solution

The fourth proportional to 784,097.22, 1,176,158.72 and 215,474.76 is: 323,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,097.22 : 1,176,158.72 = 215,474.76 : x
  2. Step 2: Convert to fraction form
    784,097.22/1,176,158.72 = 215,474.76/x
  3. Step 3: Cross multiply
    784,097.22x = 1,176,158.72 × 215,474.76
  4. Step 4: Simplify right side
    784,097.22x = 253,432,517,913.91
  5. Step 5: Solve for x
    x = 253,432,517,913.91/784,097.22
  6. Step 6: Final answer
    x = 323,215.68

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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.