Home / 784,265.28-1,082,382.24-461,958.72

Finding the Fourth Proportional to 784,265.28, 1,082,382.24 and 461,958.72

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Solution

The fourth proportional to 784,265.28, 1,082,382.24 and 461,958.72 is: 637,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,265.28 : 1,082,382.24 = 461,958.72 : x
  2. Step 2: Convert to fraction form
    784,265.28/1,082,382.24 = 461,958.72/x
  3. Step 3: Cross multiply
    784,265.28x = 1,082,382.24 × 461,958.72
  4. Step 4: Simplify right side
    784,265.28x = 500,015,914,141.13
  5. Step 5: Solve for x
    x = 500,015,914,141.13/784,265.28
  6. Step 6: Final answer
    x = 637,559.67

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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.