Home / 557,848.26-769,835.70-303,200.10

Finding the Fourth Proportional to 557,848.26, 769,835.70 and 303,200.10

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Solution

The fourth proportional to 557,848.26, 769,835.70 and 303,200.10 is: 418,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,848.26 : 769,835.70 = 303,200.10 : x
  2. Step 2: Convert to fraction form
    557,848.26/769,835.70 = 303,200.10/x
  3. Step 3: Cross multiply
    557,848.26x = 769,835.70 × 303,200.10
  4. Step 4: Simplify right side
    557,848.26x = 233,414,261,223.57
  5. Step 5: Solve for x
    x = 233,414,261,223.57/557,848.26
  6. Step 6: Final answer
    x = 418,418.91

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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.