Home / 784,624.20-1,176,644.70-311,211.60

Finding the Fourth Proportional to 784,624.20, 1,176,644.70 and 311,211.60

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Solution

The fourth proportional to 784,624.20, 1,176,644.70 and 311,211.60 is: 466,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,624.20 : 1,176,644.70 = 311,211.60 : x
  2. Step 2: Convert to fraction form
    784,624.20/1,176,644.70 = 311,211.60/x
  3. Step 3: Cross multiply
    784,624.20x = 1,176,644.70 × 311,211.60
  4. Step 4: Simplify right side
    784,624.20x = 366,185,479,718.52
  5. Step 5: Solve for x
    x = 366,185,479,718.52/784,624.20
  6. Step 6: Final answer
    x = 466,701.74

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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.