Home / 728,097.20-1,092,145.80-372,993.20

Finding the Fourth Proportional to 728,097.20, 1,092,145.80 and 372,993.20

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Solution

The fourth proportional to 728,097.20, 1,092,145.80 and 372,993.20 is: 559,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,097.20 : 1,092,145.80 = 372,993.20 : x
  2. Step 2: Convert to fraction form
    728,097.20/1,092,145.80 = 372,993.20/x
  3. Step 3: Cross multiply
    728,097.20x = 1,092,145.80 × 372,993.20
  4. Step 4: Simplify right side
    728,097.20x = 407,362,956,808.56
  5. Step 5: Solve for x
    x = 407,362,956,808.56/728,097.20
  6. Step 6: Final answer
    x = 559,489.80

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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.