Home / 727,764.34-1,091,857.03-301,221.30

Finding the Fourth Proportional to 727,764.34, 1,091,857.03 and 301,221.30

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Solution

The fourth proportional to 727,764.34, 1,091,857.03 and 301,221.30 is: 451,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,764.34 : 1,091,857.03 = 301,221.30 : x
  2. Step 2: Convert to fraction form
    727,764.34/1,091,857.03 = 301,221.30/x
  3. Step 3: Cross multiply
    727,764.34x = 1,091,857.03 × 301,221.30
  4. Step 4: Simplify right side
    727,764.34x = 328,890,593,990.74
  5. Step 5: Solve for x
    x = 328,890,593,990.74/727,764.34
  6. Step 6: Final answer
    x = 451,919.08

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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.