Home / 609,930.36-841,748.26-368,271.72

Finding the Fourth Proportional to 609,930.36, 841,748.26 and 368,271.72

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Solution

The fourth proportional to 609,930.36, 841,748.26 and 368,271.72 is: 508,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,930.36 : 841,748.26 = 368,271.72 : x
  2. Step 2: Convert to fraction form
    609,930.36/841,748.26 = 368,271.72/x
  3. Step 3: Cross multiply
    609,930.36x = 841,748.26 × 368,271.72
  4. Step 4: Simplify right side
    609,930.36x = 309,992,079,517.21
  5. Step 5: Solve for x
    x = 309,992,079,517.21/609,930.36
  6. Step 6: Final answer
    x = 508,241.76

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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.