Home / 768,566.13-1,152,862.86-236,091.78

Finding the Fourth Proportional to 768,566.13, 1,152,862.86 and 236,091.78

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Solution

The fourth proportional to 768,566.13, 1,152,862.86 and 236,091.78 is: 354,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,566.13 : 1,152,862.86 = 236,091.78 : x
  2. Step 2: Convert to fraction form
    768,566.13/1,152,862.86 = 236,091.78/x
  3. Step 3: Cross multiply
    768,566.13x = 1,152,862.86 × 236,091.78
  4. Step 4: Simplify right side
    768,566.13x = 272,181,444,713.29
  5. Step 5: Solve for x
    x = 272,181,444,713.29/768,566.13
  6. Step 6: Final answer
    x = 354,141.87

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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.