Home / 670,904.70-1,006,065.45-221,451.90

Finding the Fourth Proportional to 670,904.70, 1,006,065.45 and 221,451.90

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Solution

The fourth proportional to 670,904.70, 1,006,065.45 and 221,451.90 is: 332,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,904.70 : 1,006,065.45 = 221,451.90 : x
  2. Step 2: Convert to fraction form
    670,904.70/1,006,065.45 = 221,451.90/x
  3. Step 3: Cross multiply
    670,904.70x = 1,006,065.45 × 221,451.90
  4. Step 4: Simplify right side
    670,904.70x = 222,795,105,426.86
  5. Step 5: Solve for x
    x = 222,795,105,426.86/670,904.70
  6. Step 6: Final answer
    x = 332,081.60

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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.