Home / 670,454.83-1,005,820.80-221,203.18

Finding the Fourth Proportional to 670,454.83, 1,005,820.80 and 221,203.18

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Solution

The fourth proportional to 670,454.83, 1,005,820.80 and 221,203.18 is: 331,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,454.83 : 1,005,820.80 = 221,203.18 : x
  2. Step 2: Convert to fraction form
    670,454.83/1,005,820.80 = 221,203.18/x
  3. Step 3: Cross multiply
    670,454.83x = 1,005,820.80 × 221,203.18
  4. Step 4: Simplify right side
    670,454.83x = 222,490,759,470.14
  5. Step 5: Solve for x
    x = 222,490,759,470.14/670,454.83
  6. Step 6: Final answer
    x = 331,850.48

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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.