Home / 784,863.30-1,082,780.12-493,959.10

Finding the Fourth Proportional to 784,863.30, 1,082,780.12 and 493,959.10

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Solution

The fourth proportional to 784,863.30, 1,082,780.12 and 493,959.10 is: 681,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,863.30 : 1,082,780.12 = 493,959.10 : x
  2. Step 2: Convert to fraction form
    784,863.30/1,082,780.12 = 493,959.10/x
  3. Step 3: Cross multiply
    784,863.30x = 1,082,780.12 × 493,959.10
  4. Step 4: Simplify right side
    784,863.30x = 534,849,093,573.09
  5. Step 5: Solve for x
    x = 534,849,093,573.09/784,863.30
  6. Step 6: Final answer
    x = 681,455.09

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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.