Home / 535,700.52-739,289.82-320,799.42

Finding the Fourth Proportional to 535,700.52, 739,289.82 and 320,799.42

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Solution

The fourth proportional to 535,700.52, 739,289.82 and 320,799.42 is: 442,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,700.52 : 739,289.82 = 320,799.42 : x
  2. Step 2: Convert to fraction form
    535,700.52/739,289.82 = 320,799.42/x
  3. Step 3: Cross multiply
    535,700.52x = 739,289.82 × 320,799.42
  4. Step 4: Simplify right side
    535,700.52x = 237,163,745,467.90
  5. Step 5: Solve for x
    x = 237,163,745,467.90/535,700.52
  6. Step 6: Final answer
    x = 442,717.03

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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.