Home / 721,521.24-1,081,445.34-271,954.24

Finding the Fourth Proportional to 721,521.24, 1,081,445.34 and 271,954.24

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Solution

The fourth proportional to 721,521.24, 1,081,445.34 and 271,954.24 is: 407,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,521.24 : 1,081,445.34 = 271,954.24 : x
  2. Step 2: Convert to fraction form
    721,521.24/1,081,445.34 = 271,954.24/x
  3. Step 3: Cross multiply
    721,521.24x = 1,081,445.34 × 271,954.24
  4. Step 4: Simplify right side
    721,521.24x = 294,103,645,541.24
  5. Step 5: Solve for x
    x = 294,103,645,541.24/721,521.24
  6. Step 6: Final answer
    x = 407,616.06

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Double scale
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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.