Home / 484,905.66-669,121.88-270,065.72

Finding the Fourth Proportional to 484,905.66, 669,121.88 and 270,065.72

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Solution

The fourth proportional to 484,905.66, 669,121.88 and 270,065.72 is: 372,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,905.66 : 669,121.88 = 270,065.72 : x
  2. Step 2: Convert to fraction form
    484,905.66/669,121.88 = 270,065.72/x
  3. Step 3: Cross multiply
    484,905.66x = 669,121.88 × 270,065.72
  4. Step 4: Simplify right side
    484,905.66x = 180,706,882,289.95
  5. Step 5: Solve for x
    x = 180,706,882,289.95/484,905.66
  6. Step 6: Final answer
    x = 372,664.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.