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Finding the Fourth Proportional to 441,660.20, 609,287.28 and 260,248.28

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Solution

The fourth proportional to 441,660.20, 609,287.28 and 260,248.28 is: 359,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,660.20 : 609,287.28 = 260,248.28 : x
  2. Step 2: Convert to fraction form
    441,660.20/609,287.28 = 260,248.28/x
  3. Step 3: Cross multiply
    441,660.20x = 609,287.28 × 260,248.28
  4. Step 4: Simplify right side
    441,660.20x = 158,565,966,645.88
  5. Step 5: Solve for x
    x = 158,565,966,645.88/441,660.20
  6. Step 6: Final answer
    x = 359,022.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.