Home / 857,424.66-1,183,160.79-494,965.29

Finding the Fourth Proportional to 857,424.66, 1,183,160.79 and 494,965.29

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Solution

The fourth proportional to 857,424.66, 1,183,160.79 and 494,965.29 is: 683,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,424.66 : 1,183,160.79 = 494,965.29 : x
  2. Step 2: Convert to fraction form
    857,424.66/1,183,160.79 = 494,965.29/x
  3. Step 3: Cross multiply
    857,424.66x = 1,183,160.79 × 494,965.29
  4. Step 4: Simplify right side
    857,424.66x = 585,623,523,538.98
  5. Step 5: Solve for x
    x = 585,623,523,538.98/857,424.66
  6. Step 6: Final answer
    x = 683,002.89

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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.