Home / 728,873.46-1,093,679.40-491,718.06

Finding the Fourth Proportional to 728,873.46, 1,093,679.40 and 491,718.06

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Solution

The fourth proportional to 728,873.46, 1,093,679.40 and 491,718.06 is: 737,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,873.46 : 1,093,679.40 = 491,718.06 : x
  2. Step 2: Convert to fraction form
    728,873.46/1,093,679.40 = 491,718.06/x
  3. Step 3: Cross multiply
    728,873.46x = 1,093,679.40 × 491,718.06
  4. Step 4: Simplify right side
    728,873.46x = 537,781,912,829.96
  5. Step 5: Solve for x
    x = 537,781,912,829.96/728,873.46
  6. Step 6: Final answer
    x = 737,826.17

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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.