Home / 670,918.70-1,006,086.45-221,465.90

Finding the Fourth Proportional to 670,918.70, 1,006,086.45 and 221,465.90

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Solution

The fourth proportional to 670,918.70, 1,006,086.45 and 221,465.90 is: 332,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,918.70 : 1,006,086.45 = 221,465.90 : x
  2. Step 2: Convert to fraction form
    670,918.70/1,006,086.45 = 221,465.90/x
  3. Step 3: Cross multiply
    670,918.70x = 1,006,086.45 × 221,465.90
  4. Step 4: Simplify right side
    670,918.70x = 222,813,841,127.06
  5. Step 5: Solve for x
    x = 222,813,841,127.06/670,918.70
  6. Step 6: Final answer
    x = 332,102.59

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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.