Home / 465,956.20-699,452.70-288,663.40

Finding the Fourth Proportional to 465,956.20, 699,452.70 and 288,663.40

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Solution

The fourth proportional to 465,956.20, 699,452.70 and 288,663.40 is: 433,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,956.20 : 699,452.70 = 288,663.40 : x
  2. Step 2: Convert to fraction form
    465,956.20/699,452.70 = 288,663.40/x
  3. Step 3: Cross multiply
    465,956.20x = 699,452.70 × 288,663.40
  4. Step 4: Simplify right side
    465,956.20x = 201,906,394,521.18
  5. Step 5: Solve for x
    x = 201,906,394,521.18/465,956.20
  6. Step 6: Final answer
    x = 433,316.25

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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.