Home / 827,323.84-1,240,838.03-220,115.64

Finding the Fourth Proportional to 827,323.84, 1,240,838.03 and 220,115.64

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Solution

The fourth proportional to 827,323.84, 1,240,838.03 and 220,115.64 is: 330,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,323.84 : 1,240,838.03 = 220,115.64 : x
  2. Step 2: Convert to fraction form
    827,323.84/1,240,838.03 = 220,115.64/x
  3. Step 3: Cross multiply
    827,323.84x = 1,240,838.03 × 220,115.64
  4. Step 4: Simplify right side
    827,323.84x = 273,127,857,660.08
  5. Step 5: Solve for x
    x = 273,127,857,660.08/827,323.84
  6. Step 6: Final answer
    x = 330,134.16

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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.