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Finding the Fourth Proportional to 654,265.20, 982,024.20 and 338,948.40

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Solution

The fourth proportional to 654,265.20, 982,024.20 and 338,948.40 is: 508,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,265.20 : 982,024.20 = 338,948.40 : x
  2. Step 2: Convert to fraction form
    654,265.20/982,024.20 = 338,948.40/x
  3. Step 3: Cross multiply
    654,265.20x = 982,024.20 × 338,948.40
  4. Step 4: Simplify right side
    654,265.20x = 332,855,531,351.28
  5. Step 5: Solve for x
    x = 332,855,531,351.28/654,265.20
  6. Step 6: Final answer
    x = 508,747.11

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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.