Home / 689,873.00-1,034,976.11-216,558.36

Finding the Fourth Proportional to 689,873.00, 1,034,976.11 and 216,558.36

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Solution

The fourth proportional to 689,873.00, 1,034,976.11 and 216,558.36 is: 324,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,873.00 : 1,034,976.11 = 216,558.36 : x
  2. Step 2: Convert to fraction form
    689,873.00/1,034,976.11 = 216,558.36/x
  3. Step 3: Cross multiply
    689,873.00x = 1,034,976.11 × 216,558.36
  4. Step 4: Simplify right side
    689,873.00x = 224,132,727,937.99
  5. Step 5: Solve for x
    x = 224,132,727,937.99/689,873.00
  6. Step 6: Final answer
    x = 324,889.84

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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.