Home / 535,433.24-738,890.98-305,987.90

Finding the Fourth Proportional to 535,433.24, 738,890.98 and 305,987.90

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Solution

The fourth proportional to 535,433.24, 738,890.98 and 305,987.90 is: 422,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,433.24 : 738,890.98 = 305,987.90 : x
  2. Step 2: Convert to fraction form
    535,433.24/738,890.98 = 305,987.90/x
  3. Step 3: Cross multiply
    535,433.24x = 738,890.98 × 305,987.90
  4. Step 4: Simplify right side
    535,433.24x = 226,091,699,299.14
  5. Step 5: Solve for x
    x = 226,091,699,299.14/535,433.24
  6. Step 6: Final answer
    x = 422,259.36

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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.