Home / 535,761.24-739,296.67-320,895.78

Finding the Fourth Proportional to 535,761.24, 739,296.67 and 320,895.78

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Solution

The fourth proportional to 535,761.24, 739,296.67 and 320,895.78 is: 442,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,761.24 : 739,296.67 = 320,895.78 : x
  2. Step 2: Convert to fraction form
    535,761.24/739,296.67 = 320,895.78/x
  3. Step 3: Cross multiply
    535,761.24x = 739,296.67 × 320,895.78
  4. Step 4: Simplify right side
    535,761.24x = 237,237,178,598.13
  5. Step 5: Solve for x
    x = 237,237,178,598.13/535,761.24
  6. Step 6: Final answer
    x = 442,803.93

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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.