Home / 712,899.27-1,067,970.92-396,396.63

Finding the Fourth Proportional to 712,899.27, 1,067,970.92 and 396,396.63

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Solution

The fourth proportional to 712,899.27, 1,067,970.92 and 396,396.63 is: 593,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,899.27 : 1,067,970.92 = 396,396.63 : x
  2. Step 2: Convert to fraction form
    712,899.27/1,067,970.92 = 396,396.63/x
  3. Step 3: Cross multiply
    712,899.27x = 1,067,970.92 × 396,396.63
  4. Step 4: Simplify right side
    712,899.27x = 423,340,071,644.02
  5. Step 5: Solve for x
    x = 423,340,071,644.02/712,899.27
  6. Step 6: Final answer
    x = 593,828.73

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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.