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Finding the Fourth Proportional to 397,259.60, 595,889.40 and 366,933.20

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Solution

The fourth proportional to 397,259.60, 595,889.40 and 366,933.20 is: 550,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,259.60 : 595,889.40 = 366,933.20 : x
  2. Step 2: Convert to fraction form
    397,259.60/595,889.40 = 366,933.20/x
  3. Step 3: Cross multiply
    397,259.60x = 595,889.40 × 366,933.20
  4. Step 4: Simplify right side
    397,259.60x = 218,651,604,388.08
  5. Step 5: Solve for x
    x = 218,651,604,388.08/397,259.60
  6. Step 6: Final answer
    x = 550,399.80

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1.5x scale

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.