Home / 806,771.32-1,210,145.90-274,663.42

Finding the Fourth Proportional to 806,771.32, 1,210,145.90 and 274,663.42

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Solution

The fourth proportional to 806,771.32, 1,210,145.90 and 274,663.42 is: 411,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,771.32 : 1,210,145.90 = 274,663.42 : x
  2. Step 2: Convert to fraction form
    806,771.32/1,210,145.90 = 274,663.42/x
  3. Step 3: Cross multiply
    806,771.32x = 1,210,145.90 × 274,663.42
  4. Step 4: Simplify right side
    806,771.32x = 332,382,811,592.98
  5. Step 5: Solve for x
    x = 332,382,811,592.98/806,771.32
  6. Step 6: Final answer
    x = 411,991.36

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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.