Home / 484,724.66-726,749.69-214,706.21

Finding the Fourth Proportional to 484,724.66, 726,749.69 and 214,706.21

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Solution

The fourth proportional to 484,724.66, 726,749.69 and 214,706.21 is: 321,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,724.66 : 726,749.69 = 214,706.21 : x
  2. Step 2: Convert to fraction form
    484,724.66/726,749.69 = 214,706.21/x
  3. Step 3: Cross multiply
    484,724.66x = 726,749.69 × 214,706.21
  4. Step 4: Simplify right side
    484,724.66x = 156,037,666,851.30
  5. Step 5: Solve for x
    x = 156,037,666,851.30/484,724.66
  6. Step 6: Final answer
    x = 321,909.90

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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.