Home / 689,593.92-1,034,380.51-310,246.77

Finding the Fourth Proportional to 689,593.92, 1,034,380.51 and 310,246.77

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Solution

The fourth proportional to 689,593.92, 1,034,380.51 and 310,246.77 is: 465,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,593.92 : 1,034,380.51 = 310,246.77 : x
  2. Step 2: Convert to fraction form
    689,593.92/1,034,380.51 = 310,246.77/x
  3. Step 3: Cross multiply
    689,593.92x = 1,034,380.51 × 310,246.77
  4. Step 4: Simplify right side
    689,593.92x = 320,913,217,026.90
  5. Step 5: Solve for x
    x = 320,913,217,026.90/689,593.92
  6. Step 6: Final answer
    x = 465,365.50

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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.