Home / 522,980.36-721,865.22-341,719.88

Finding the Fourth Proportional to 522,980.36, 721,865.22 and 341,719.88

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Solution

The fourth proportional to 522,980.36, 721,865.22 and 341,719.88 is: 471,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,980.36 : 721,865.22 = 341,719.88 : x
  2. Step 2: Convert to fraction form
    522,980.36/721,865.22 = 341,719.88/x
  3. Step 3: Cross multiply
    522,980.36x = 721,865.22 × 341,719.88
  4. Step 4: Simplify right side
    522,980.36x = 246,675,696,354.57
  5. Step 5: Solve for x
    x = 246,675,696,354.57/522,980.36
  6. Step 6: Final answer
    x = 471,672.96

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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.