Home / 670,742.05-1,006,145.36-221,452.97

Finding the Fourth Proportional to 670,742.05, 1,006,145.36 and 221,452.97

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Solution

The fourth proportional to 670,742.05, 1,006,145.36 and 221,452.97 is: 332,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,742.05 : 1,006,145.36 = 221,452.97 : x
  2. Step 2: Convert to fraction form
    670,742.05/1,006,145.36 = 221,452.97/x
  3. Step 3: Cross multiply
    670,742.05x = 1,006,145.36 × 221,452.97
  4. Step 4: Simplify right side
    670,742.05x = 222,813,872,085.73
  5. Step 5: Solve for x
    x = 222,813,872,085.73/670,742.05
  6. Step 6: Final answer
    x = 332,190.11

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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.