Home / 762,188.06-1,143,724.96-341,463.94

Finding the Fourth Proportional to 762,188.06, 1,143,724.96 and 341,463.94

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Solution

The fourth proportional to 762,188.06, 1,143,724.96 and 341,463.94 is: 512,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,188.06 : 1,143,724.96 = 341,463.94 : x
  2. Step 2: Convert to fraction form
    762,188.06/1,143,724.96 = 341,463.94/x
  3. Step 3: Cross multiply
    762,188.06x = 1,143,724.96 × 341,463.94
  4. Step 4: Simplify right side
    762,188.06x = 390,540,825,399.32
  5. Step 5: Solve for x
    x = 390,540,825,399.32/762,188.06
  6. Step 6: Final answer
    x = 512,394.31

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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.