Home / 653,026.27-979,617.31-315,824.62

Finding the Fourth Proportional to 653,026.27, 979,617.31 and 315,824.62

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Solution

The fourth proportional to 653,026.27, 979,617.31 and 315,824.62 is: 473,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,026.27 : 979,617.31 = 315,824.62 : x
  2. Step 2: Convert to fraction form
    653,026.27/979,617.31 = 315,824.62/x
  3. Step 3: Cross multiply
    653,026.27x = 979,617.31 × 315,824.62
  4. Step 4: Simplify right side
    653,026.27x = 309,387,264,676.17
  5. Step 5: Solve for x
    x = 309,387,264,676.17/653,026.27
  6. Step 6: Final answer
    x = 473,774.61

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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.