Home / 816,003.20-1,223,162.40-366,939.20

Finding the Fourth Proportional to 816,003.20, 1,223,162.40 and 366,939.20

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Solution

The fourth proportional to 816,003.20, 1,223,162.40 and 366,939.20 is: 550,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,003.20 : 1,223,162.40 = 366,939.20 : x
  2. Step 2: Convert to fraction form
    816,003.20/1,223,162.40 = 366,939.20/x
  3. Step 3: Cross multiply
    816,003.20x = 1,223,162.40 × 366,939.20
  4. Step 4: Simplify right side
    816,003.20x = 448,826,232,526.08
  5. Step 5: Solve for x
    x = 448,826,232,526.08/816,003.20
  6. Step 6: Final answer
    x = 550,029.99

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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.