Home / 929,743.26-1,282,939.83-521,789.82

Finding the Fourth Proportional to 929,743.26, 1,282,939.83 and 521,789.82

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Solution

The fourth proportional to 929,743.26, 1,282,939.83 and 521,789.82 is: 720,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,743.26 : 1,282,939.83 = 521,789.82 : x
  2. Step 2: Convert to fraction form
    929,743.26/1,282,939.83 = 521,789.82/x
  3. Step 3: Cross multiply
    929,743.26x = 1,282,939.83 × 521,789.82
  4. Step 4: Simplify right side
    929,743.26x = 669,424,942,966.53
  5. Step 5: Solve for x
    x = 669,424,942,966.53/929,743.26
  6. Step 6: Final answer
    x = 720,010.54

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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.