Home / 823,952.05-1,236,657.08-486,570.85

Finding the Fourth Proportional to 823,952.05, 1,236,657.08 and 486,570.85

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Solution

The fourth proportional to 823,952.05, 1,236,657.08 and 486,570.85 is: 730,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,952.05 : 1,236,657.08 = 486,570.85 : x
  2. Step 2: Convert to fraction form
    823,952.05/1,236,657.08 = 486,570.85/x
  3. Step 3: Cross multiply
    823,952.05x = 1,236,657.08 × 486,570.85
  4. Step 4: Simplify right side
    823,952.05x = 601,721,284,141.26
  5. Step 5: Solve for x
    x = 601,721,284,141.26/823,952.05
  6. Step 6: Final answer
    x = 730,286.77

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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.