Home / 535,763.24-739,299.43-320,897.78

Finding the Fourth Proportional to 535,763.24, 739,299.43 and 320,897.78

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Solution

The fourth proportional to 535,763.24, 739,299.43 and 320,897.78 is: 442,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,763.24 : 739,299.43 = 320,897.78 : x
  2. Step 2: Convert to fraction form
    535,763.24/739,299.43 = 320,897.78/x
  3. Step 3: Cross multiply
    535,763.24x = 739,299.43 × 320,897.78
  4. Step 4: Simplify right side
    535,763.24x = 237,239,545,842.27
  5. Step 5: Solve for x
    x = 237,239,545,842.27/535,763.24
  6. Step 6: Final answer
    x = 442,806.69

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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.