Home / 862,301.61-1,189,988.60-494,838.63

Finding the Fourth Proportional to 862,301.61, 1,189,988.60 and 494,838.63

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Solution

The fourth proportional to 862,301.61, 1,189,988.60 and 494,838.63 is: 682,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,301.61 : 1,189,988.60 = 494,838.63 : x
  2. Step 2: Convert to fraction form
    862,301.61/1,189,988.60 = 494,838.63/x
  3. Step 3: Cross multiply
    862,301.61x = 1,189,988.60 × 494,838.63
  4. Step 4: Simplify right side
    862,301.61x = 588,852,326,065.43
  5. Step 5: Solve for x
    x = 588,852,326,065.43/862,301.61
  6. Step 6: Final answer
    x = 682,884.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.