Home / 784,369.32-1,176,942.84-311,044.20

Finding the Fourth Proportional to 784,369.32, 1,176,942.84 and 311,044.20

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Solution

The fourth proportional to 784,369.32, 1,176,942.84 and 311,044.20 is: 466,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,369.32 : 1,176,942.84 = 311,044.20 : x
  2. Step 2: Convert to fraction form
    784,369.32/1,176,942.84 = 311,044.20/x
  3. Step 3: Cross multiply
    784,369.32x = 1,176,942.84 × 311,044.20
  4. Step 4: Simplify right side
    784,369.32x = 366,081,244,113.53
  5. Step 5: Solve for x
    x = 366,081,244,113.53/784,369.32
  6. Step 6: Final answer
    x = 466,720.50

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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.