Home / 745,892.46-1,118,633.88-206,019.63

Finding the Fourth Proportional to 745,892.46, 1,118,633.88 and 206,019.63

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Solution

The fourth proportional to 745,892.46, 1,118,633.88 and 206,019.63 is: 308,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,892.46 : 1,118,633.88 = 206,019.63 : x
  2. Step 2: Convert to fraction form
    745,892.46/1,118,633.88 = 206,019.63/x
  3. Step 3: Cross multiply
    745,892.46x = 1,118,633.88 × 206,019.63
  4. Step 4: Simplify right side
    745,892.46x = 230,460,538,063.06
  5. Step 5: Solve for x
    x = 230,460,538,063.06/745,892.46
  6. Step 6: Final answer
    x = 308,972.88

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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.