Home / 526,345.13-789,178.17-206,529.31

Finding the Fourth Proportional to 526,345.13, 789,178.17 and 206,529.31

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Solution

The fourth proportional to 526,345.13, 789,178.17 and 206,529.31 is: 309,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,345.13 : 789,178.17 = 206,529.31 : x
  2. Step 2: Convert to fraction form
    526,345.13/789,178.17 = 206,529.31/x
  3. Step 3: Cross multiply
    526,345.13x = 789,178.17 × 206,529.31
  4. Step 4: Simplify right side
    526,345.13x = 162,988,422,917.16
  5. Step 5: Solve for x
    x = 162,988,422,917.16/526,345.13
  6. Step 6: Final answer
    x = 309,660.74

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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.