Home / 764,034.93-1,146,090.60-290,757.06

Finding the Fourth Proportional to 764,034.93, 1,146,090.60 and 290,757.06

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Solution

The fourth proportional to 764,034.93, 1,146,090.60 and 290,757.06 is: 436,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,034.93 : 1,146,090.60 = 290,757.06 : x
  2. Step 2: Convert to fraction form
    764,034.93/1,146,090.60 = 290,757.06/x
  3. Step 3: Cross multiply
    764,034.93x = 1,146,090.60 × 290,757.06
  4. Step 4: Simplify right side
    764,034.93x = 333,233,933,349.64
  5. Step 5: Solve for x
    x = 333,233,933,349.64/764,034.93
  6. Step 6: Final answer
    x = 436,150.13

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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.