Home / 764,097.44-1,146,080.13-258,647.60

Finding the Fourth Proportional to 764,097.44, 1,146,080.13 and 258,647.60

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Solution

The fourth proportional to 764,097.44, 1,146,080.13 and 258,647.60 is: 387,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,097.44 : 1,146,080.13 = 258,647.60 : x
  2. Step 2: Convert to fraction form
    764,097.44/1,146,080.13 = 258,647.60/x
  3. Step 3: Cross multiply
    764,097.44x = 1,146,080.13 × 258,647.60
  4. Step 4: Simplify right side
    764,097.44x = 296,430,875,032.19
  5. Step 5: Solve for x
    x = 296,430,875,032.19/764,097.44
  6. Step 6: Final answer
    x = 387,949.05

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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.