Home / 785,995.91-1,179,144.52-253,373.93

Finding the Fourth Proportional to 785,995.91, 1,179,144.52 and 253,373.93

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Solution

The fourth proportional to 785,995.91, 1,179,144.52 and 253,373.93 is: 380,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,995.91 : 1,179,144.52 = 253,373.93 : x
  2. Step 2: Convert to fraction form
    785,995.91/1,179,144.52 = 253,373.93/x
  3. Step 3: Cross multiply
    785,995.91x = 1,179,144.52 × 253,373.93
  4. Step 4: Simplify right side
    785,995.91x = 298,764,481,070.36
  5. Step 5: Solve for x
    x = 298,764,481,070.36/785,995.91
  6. Step 6: Final answer
    x = 380,109.46

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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.