Home / 764,019.50-1,146,555.75-265,383.50

Finding the Fourth Proportional to 764,019.50, 1,146,555.75 and 265,383.50

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Solution

The fourth proportional to 764,019.50, 1,146,555.75 and 265,383.50 is: 398,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,019.50 : 1,146,555.75 = 265,383.50 : x
  2. Step 2: Convert to fraction form
    764,019.50/1,146,555.75 = 265,383.50/x
  3. Step 3: Cross multiply
    764,019.50x = 1,146,555.75 × 265,383.50
  4. Step 4: Simplify right side
    764,019.50x = 304,276,977,880.13
  5. Step 5: Solve for x
    x = 304,276,977,880.13/764,019.50
  6. Step 6: Final answer
    x = 398,258.13

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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.