Home / 856,822.40-1,285,233.60-502,236.80

Finding the Fourth Proportional to 856,822.40, 1,285,233.60 and 502,236.80

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Solution

The fourth proportional to 856,822.40, 1,285,233.60 and 502,236.80 is: 753,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,822.40 : 1,285,233.60 = 502,236.80 : x
  2. Step 2: Convert to fraction form
    856,822.40/1,285,233.60 = 502,236.80/x
  3. Step 3: Cross multiply
    856,822.40x = 1,285,233.60 × 502,236.80
  4. Step 4: Simplify right side
    856,822.40x = 645,491,610,516.48
  5. Step 5: Solve for x
    x = 645,491,610,516.48/856,822.40
  6. Step 6: Final answer
    x = 753,355.20

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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.