Home / 835,299.05-1,252,747.83-385,587.96

Finding the Fourth Proportional to 835,299.05, 1,252,747.83 and 385,587.96

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Solution

The fourth proportional to 835,299.05, 1,252,747.83 and 385,587.96 is: 578,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,299.05 : 1,252,747.83 = 385,587.96 : x
  2. Step 2: Convert to fraction form
    835,299.05/1,252,747.83 = 385,587.96/x
  3. Step 3: Cross multiply
    835,299.05x = 1,252,747.83 × 385,587.96
  4. Step 4: Simplify right side
    835,299.05x = 483,044,476,912.28
  5. Step 5: Solve for x
    x = 483,044,476,912.28/835,299.05
  6. Step 6: Final answer
    x = 578,289.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.