Home / 764,515.84-1,146,963.84-265,884.16

Finding the Fourth Proportional to 764,515.84, 1,146,963.84 and 265,884.16

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Solution

The fourth proportional to 764,515.84, 1,146,963.84 and 265,884.16 is: 398,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,515.84 : 1,146,963.84 = 265,884.16 : x
  2. Step 2: Convert to fraction form
    764,515.84/1,146,963.84 = 265,884.16/x
  3. Step 3: Cross multiply
    764,515.84x = 1,146,963.84 × 265,884.16
  4. Step 4: Simplify right side
    764,515.84x = 304,959,517,148.77
  5. Step 5: Solve for x
    x = 304,959,517,148.77/764,515.84
  6. Step 6: Final answer
    x = 398,892.35

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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.