Home / 807,864.40-1,211,796.60-335,472.40

Finding the Fourth Proportional to 807,864.40, 1,211,796.60 and 335,472.40

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Solution

The fourth proportional to 807,864.40, 1,211,796.60 and 335,472.40 is: 503,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,864.40 : 1,211,796.60 = 335,472.40 : x
  2. Step 2: Convert to fraction form
    807,864.40/1,211,796.60 = 335,472.40/x
  3. Step 3: Cross multiply
    807,864.40x = 1,211,796.60 × 335,472.40
  4. Step 4: Simplify right side
    807,864.40x = 406,524,313,713.84
  5. Step 5: Solve for x
    x = 406,524,313,713.84/807,864.40
  6. Step 6: Final answer
    x = 503,208.60

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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.