Home / 670,649.52-1,006,098.48-221,401.68

Finding the Fourth Proportional to 670,649.52, 1,006,098.48 and 221,401.68

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Solution

The fourth proportional to 670,649.52, 1,006,098.48 and 221,401.68 is: 332,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,649.52 : 1,006,098.48 = 221,401.68 : x
  2. Step 2: Convert to fraction form
    670,649.52/1,006,098.48 = 221,401.68/x
  3. Step 3: Cross multiply
    670,649.52x = 1,006,098.48 × 221,401.68
  4. Step 4: Simplify right side
    670,649.52x = 222,751,893,717.45
  5. Step 5: Solve for x
    x = 222,751,893,717.45/670,649.52
  6. Step 6: Final answer
    x = 332,143.52

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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.