Home / 694,399.20-1,041,598.80-320,218.08

Finding the Fourth Proportional to 694,399.20, 1,041,598.80 and 320,218.08

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Solution

The fourth proportional to 694,399.20, 1,041,598.80 and 320,218.08 is: 480,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,399.20 : 1,041,598.80 = 320,218.08 : x
  2. Step 2: Convert to fraction form
    694,399.20/1,041,598.80 = 320,218.08/x
  3. Step 3: Cross multiply
    694,399.20x = 1,041,598.80 × 320,218.08
  4. Step 4: Simplify right side
    694,399.20x = 333,538,767,866.30
  5. Step 5: Solve for x
    x = 333,538,767,866.30/694,399.20
  6. Step 6: Final answer
    x = 480,327.12

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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.