Home / 828,124.48-1,242,187.01-259,549.71

Finding the Fourth Proportional to 828,124.48, 1,242,187.01 and 259,549.71

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Solution

The fourth proportional to 828,124.48, 1,242,187.01 and 259,549.71 is: 389,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,124.48 : 1,242,187.01 = 259,549.71 : x
  2. Step 2: Convert to fraction form
    828,124.48/1,242,187.01 = 259,549.71/x
  3. Step 3: Cross multiply
    828,124.48x = 1,242,187.01 × 259,549.71
  4. Step 4: Simplify right side
    828,124.48x = 322,409,278,211.27
  5. Step 5: Solve for x
    x = 322,409,278,211.27/828,124.48
  6. Step 6: Final answer
    x = 389,324.66

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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.