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Finding the Fourth Proportional to 611,615.92, 844,040.42 and 335,985.39

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Solution

The fourth proportional to 611,615.92, 844,040.42 and 335,985.39 is: 463,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,615.92 : 844,040.42 = 335,985.39 : x
  2. Step 2: Convert to fraction form
    611,615.92/844,040.42 = 335,985.39/x
  3. Step 3: Cross multiply
    611,615.92x = 844,040.42 × 335,985.39
  4. Step 4: Simplify right side
    611,615.92x = 283,585,249,689.46
  5. Step 5: Solve for x
    x = 283,585,249,689.46/611,615.92
  6. Step 6: Final answer
    x = 463,665.58

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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.