Home / 670,655.43-1,006,107.48-221,407.56

Finding the Fourth Proportional to 670,655.43, 1,006,107.48 and 221,407.56

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Solution

The fourth proportional to 670,655.43, 1,006,107.48 and 221,407.56 is: 332,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,655.43 : 1,006,107.48 = 221,407.56 : x
  2. Step 2: Convert to fraction form
    670,655.43/1,006,107.48 = 221,407.56/x
  3. Step 3: Cross multiply
    670,655.43x = 1,006,107.48 × 221,407.56
  4. Step 4: Simplify right side
    670,655.43x = 222,759,802,244.55
  5. Step 5: Solve for x
    x = 222,759,802,244.55/670,655.43
  6. Step 6: Final answer
    x = 332,152.39

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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.