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Finding the Fourth Proportional to 441,005.26, 660,675.46 and 260,552.24

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Solution

The fourth proportional to 441,005.26, 660,675.46 and 260,552.24 is: 390,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,005.26 : 660,675.46 = 260,552.24 : x
  2. Step 2: Convert to fraction form
    441,005.26/660,675.46 = 260,552.24/x
  3. Step 3: Cross multiply
    441,005.26x = 660,675.46 × 260,552.24
  4. Step 4: Simplify right side
    441,005.26x = 172,140,471,016.03
  5. Step 5: Solve for x
    x = 172,140,471,016.03/441,005.26
  6. Step 6: Final answer
    x = 390,336.55

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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.