Home / 764,992.08-1,147,525.56-291,589.20

Finding the Fourth Proportional to 764,992.08, 1,147,525.56 and 291,589.20

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Solution

The fourth proportional to 764,992.08, 1,147,525.56 and 291,589.20 is: 437,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,992.08 : 1,147,525.56 = 291,589.20 : x
  2. Step 2: Convert to fraction form
    764,992.08/1,147,525.56 = 291,589.20/x
  3. Step 3: Cross multiply
    764,992.08x = 1,147,525.56 × 291,589.20
  4. Step 4: Simplify right side
    764,992.08x = 334,606,060,019.95
  5. Step 5: Solve for x
    x = 334,606,060,019.95/764,992.08
  6. Step 6: Final answer
    x = 437,398.07

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Double scale
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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.