Home / 829,687.74-1,145,007.83-503,010.94

Finding the Fourth Proportional to 829,687.74, 1,145,007.83 and 503,010.94

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Solution

The fourth proportional to 829,687.74, 1,145,007.83 and 503,010.94 is: 694,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,687.74 : 1,145,007.83 = 503,010.94 : x
  2. Step 2: Convert to fraction form
    829,687.74/1,145,007.83 = 503,010.94/x
  3. Step 3: Cross multiply
    829,687.74x = 1,145,007.83 × 503,010.94
  4. Step 4: Simplify right side
    829,687.74x = 575,951,463,270.67
  5. Step 5: Solve for x
    x = 575,951,463,270.67/829,687.74
  6. Step 6: Final answer
    x = 694,178.59

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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.