Home / 784,912.73-1,082,870.44-453,549.71

Finding the Fourth Proportional to 784,912.73, 1,082,870.44 and 453,549.71

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Solution

The fourth proportional to 784,912.73, 1,082,870.44 and 453,549.71 is: 625,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,912.73 : 1,082,870.44 = 453,549.71 : x
  2. Step 2: Convert to fraction form
    784,912.73/1,082,870.44 = 453,549.71/x
  3. Step 3: Cross multiply
    784,912.73x = 1,082,870.44 × 453,549.71
  4. Step 4: Simplify right side
    784,912.73x = 491,135,571,102.68
  5. Step 5: Solve for x
    x = 491,135,571,102.68/784,912.73
  6. Step 6: Final answer
    x = 625,719.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.