Home / 558,996.11-771,375.71-317,283.60

Finding the Fourth Proportional to 558,996.11, 771,375.71 and 317,283.60

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Solution

The fourth proportional to 558,996.11, 771,375.71 and 317,283.60 is: 437,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,996.11 : 771,375.71 = 317,283.60 : x
  2. Step 2: Convert to fraction form
    558,996.11/771,375.71 = 317,283.60/x
  3. Step 3: Cross multiply
    558,996.11x = 771,375.71 × 317,283.60
  4. Step 4: Simplify right side
    558,996.11x = 244,744,860,634.94
  5. Step 5: Solve for x
    x = 244,744,860,634.94/558,996.11
  6. Step 6: Final answer
    x = 437,829.28

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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.