Home / 762,218.40-1,143,381.08-229,743.84

Finding the Fourth Proportional to 762,218.40, 1,143,381.08 and 229,743.84

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Solution

The fourth proportional to 762,218.40, 1,143,381.08 and 229,743.84 is: 344,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,218.40 : 1,143,381.08 = 229,743.84 : x
  2. Step 2: Convert to fraction form
    762,218.40/1,143,381.08 = 229,743.84/x
  3. Step 3: Cross multiply
    762,218.40x = 1,143,381.08 × 229,743.84
  4. Step 4: Simplify right side
    762,218.40x = 262,684,759,902.55
  5. Step 5: Solve for x
    x = 262,684,759,902.55/762,218.40
  6. Step 6: Final answer
    x = 344,631.88

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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.