Home / 655,340.79-983,145.25-276,261.60

Finding the Fourth Proportional to 655,340.79, 983,145.25 and 276,261.60

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Solution

The fourth proportional to 655,340.79, 983,145.25 and 276,261.60 is: 414,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,340.79 : 983,145.25 = 276,261.60 : x
  2. Step 2: Convert to fraction form
    655,340.79/983,145.25 = 276,261.60/x
  3. Step 3: Cross multiply
    655,340.79x = 983,145.25 × 276,261.60
  4. Step 4: Simplify right side
    655,340.79x = 271,605,282,275.55
  5. Step 5: Solve for x
    x = 271,605,282,275.55/655,340.79
  6. Step 6: Final answer
    x = 414,448.92

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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.