Home / 715,332.30-1,073,164.54-209,872.86

Finding the Fourth Proportional to 715,332.30, 1,073,164.54 and 209,872.86

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Solution

The fourth proportional to 715,332.30, 1,073,164.54 and 209,872.86 is: 314,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,332.30 : 1,073,164.54 = 209,872.86 : x
  2. Step 2: Convert to fraction form
    715,332.30/1,073,164.54 = 209,872.86/x
  3. Step 3: Cross multiply
    715,332.30x = 1,073,164.54 × 209,872.86
  4. Step 4: Simplify right side
    715,332.30x = 225,228,111,260.38
  5. Step 5: Solve for x
    x = 225,228,111,260.38/715,332.30
  6. Step 6: Final answer
    x = 314,858.02

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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.