Home / 764,443.71-1,146,652.61-265,794.75

Finding the Fourth Proportional to 764,443.71, 1,146,652.61 and 265,794.75

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Solution

The fourth proportional to 764,443.71, 1,146,652.61 and 265,794.75 is: 398,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,443.71 : 1,146,652.61 = 265,794.75 : x
  2. Step 2: Convert to fraction form
    764,443.71/1,146,652.61 = 265,794.75/x
  3. Step 3: Cross multiply
    764,443.71x = 1,146,652.61 × 265,794.75
  4. Step 4: Simplify right side
    764,443.71x = 304,774,242,482.82
  5. Step 5: Solve for x
    x = 304,774,242,482.82/764,443.71
  6. Step 6: Final answer
    x = 398,687.62

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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.