Home / 762,228.28-1,143,343.77-229,901.68

Finding the Fourth Proportional to 762,228.28, 1,143,343.77 and 229,901.68

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Solution

The fourth proportional to 762,228.28, 1,143,343.77 and 229,901.68 is: 344,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,228.28 : 1,143,343.77 = 229,901.68 : x
  2. Step 2: Convert to fraction form
    762,228.28/1,143,343.77 = 229,901.68/x
  3. Step 3: Cross multiply
    762,228.28x = 1,143,343.77 × 229,901.68
  4. Step 4: Simplify right side
    762,228.28x = 262,856,653,540.53
  5. Step 5: Solve for x
    x = 262,856,653,540.53/762,228.28
  6. Step 6: Final answer
    x = 344,852.93

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Double scale
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1.5x scale

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.