Home / 829,862.40-1,244,793.60-268,896.90

Finding the Fourth Proportional to 829,862.40, 1,244,793.60 and 268,896.90

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Solution

The fourth proportional to 829,862.40, 1,244,793.60 and 268,896.90 is: 403,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,862.40 : 1,244,793.60 = 268,896.90 : x
  2. Step 2: Convert to fraction form
    829,862.40/1,244,793.60 = 268,896.90/x
  3. Step 3: Cross multiply
    829,862.40x = 1,244,793.60 × 268,896.90
  4. Step 4: Simplify right side
    829,862.40x = 334,721,140,179.84
  5. Step 5: Solve for x
    x = 334,721,140,179.84/829,862.40
  6. Step 6: Final answer
    x = 403,345.35

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Similar ratio
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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.