Home / 670,454.33-1,005,820.05-221,202.68

Finding the Fourth Proportional to 670,454.33, 1,005,820.05 and 221,202.68

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Solution

The fourth proportional to 670,454.33, 1,005,820.05 and 221,202.68 is: 331,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,454.33 : 1,005,820.05 = 221,202.68 : x
  2. Step 2: Convert to fraction form
    670,454.33/1,005,820.05 = 221,202.68/x
  3. Step 3: Cross multiply
    670,454.33x = 1,005,820.05 × 221,202.68
  4. Step 4: Simplify right side
    670,454.33x = 222,490,090,657.73
  5. Step 5: Solve for x
    x = 222,490,090,657.73/670,454.33
  6. Step 6: Final answer
    x = 331,849.73

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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.