Home / 670,581.19-1,005,773.37-221,316.72

Finding the Fourth Proportional to 670,581.19, 1,005,773.37 and 221,316.72

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Solution

The fourth proportional to 670,581.19, 1,005,773.37 and 221,316.72 is: 331,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,581.19 : 1,005,773.37 = 221,316.72 : x
  2. Step 2: Convert to fraction form
    670,581.19/1,005,773.37 = 221,316.72/x
  3. Step 3: Cross multiply
    670,581.19x = 1,005,773.37 × 221,316.72
  4. Step 4: Simplify right side
    670,581.19x = 222,594,463,311.75
  5. Step 5: Solve for x
    x = 222,594,463,311.75/670,581.19
  6. Step 6: Final answer
    x = 331,942.60

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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.