Home / 781,866.30-1,172,659.50-234,647.22

Finding the Fourth Proportional to 781,866.30, 1,172,659.50 and 234,647.22

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Solution

The fourth proportional to 781,866.30, 1,172,659.50 and 234,647.22 is: 351,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,866.30 : 1,172,659.50 = 234,647.22 : x
  2. Step 2: Convert to fraction form
    781,866.30/1,172,659.50 = 234,647.22/x
  3. Step 3: Cross multiply
    781,866.30x = 1,172,659.50 × 234,647.22
  4. Step 4: Simplify right side
    781,866.30x = 275,161,291,681.59
  5. Step 5: Solve for x
    x = 275,161,291,681.59/781,866.30
  6. Step 6: Final answer
    x = 351,928.83

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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.