Home / 764,551.84-1,146,931.44-265,851.04

Finding the Fourth Proportional to 764,551.84, 1,146,931.44 and 265,851.04

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Solution

The fourth proportional to 764,551.84, 1,146,931.44 and 265,851.04 is: 398,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,551.84 : 1,146,931.44 = 265,851.04 : x
  2. Step 2: Convert to fraction form
    764,551.84/1,146,931.44 = 265,851.04/x
  3. Step 3: Cross multiply
    764,551.84x = 1,146,931.44 × 265,851.04
  4. Step 4: Simplify right side
    764,551.84x = 304,912,916,132.70
  5. Step 5: Solve for x
    x = 304,912,916,132.70/764,551.84
  6. Step 6: Final answer
    x = 398,812.61

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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.