Home / 756,984.40-1,135,497.08-188,342.52

Finding the Fourth Proportional to 756,984.40, 1,135,497.08 and 188,342.52

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Solution

The fourth proportional to 756,984.40, 1,135,497.08 and 188,342.52 is: 282,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,984.40 : 1,135,497.08 = 188,342.52 : x
  2. Step 2: Convert to fraction form
    756,984.40/1,135,497.08 = 188,342.52/x
  3. Step 3: Cross multiply
    756,984.40x = 1,135,497.08 × 188,342.52
  4. Step 4: Simplify right side
    756,984.40x = 213,862,381,499.84
  5. Step 5: Solve for x
    x = 213,862,381,499.84/756,984.40
  6. Step 6: Final answer
    x = 282,518.88

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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.