Home / 727,174.95-1,091,260.65-253,860.30

Finding the Fourth Proportional to 727,174.95, 1,091,260.65 and 253,860.30

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Solution

The fourth proportional to 727,174.95, 1,091,260.65 and 253,860.30 is: 380,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,174.95 : 1,091,260.65 = 253,860.30 : x
  2. Step 2: Convert to fraction form
    727,174.95/1,091,260.65 = 253,860.30/x
  3. Step 3: Cross multiply
    727,174.95x = 1,091,260.65 × 253,860.30
  4. Step 4: Simplify right side
    727,174.95x = 277,027,755,987.20
  5. Step 5: Solve for x
    x = 277,027,755,987.20/727,174.95
  6. Step 6: Final answer
    x = 380,964.38

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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.