Home / 721,577.17-1,082,540.72-216,137.17

Finding the Fourth Proportional to 721,577.17, 1,082,540.72 and 216,137.17

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Solution

The fourth proportional to 721,577.17, 1,082,540.72 and 216,137.17 is: 324,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,577.17 : 1,082,540.72 = 216,137.17 : x
  2. Step 2: Convert to fraction form
    721,577.17/1,082,540.72 = 216,137.17/x
  3. Step 3: Cross multiply
    721,577.17x = 1,082,540.72 × 216,137.17
  4. Step 4: Simplify right side
    721,577.17x = 233,977,287,630.56
  5. Step 5: Solve for x
    x = 233,977,287,630.56/721,577.17
  6. Step 6: Final answer
    x = 324,258.16

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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.