Home / 680,905.83-1,021,194.72-301,616.85

Finding the Fourth Proportional to 680,905.83, 1,021,194.72 and 301,616.85

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Solution

The fourth proportional to 680,905.83, 1,021,194.72 and 301,616.85 is: 452,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,905.83 : 1,021,194.72 = 301,616.85 : x
  2. Step 2: Convert to fraction form
    680,905.83/1,021,194.72 = 301,616.85/x
  3. Step 3: Cross multiply
    680,905.83x = 1,021,194.72 × 301,616.85
  4. Step 4: Simplify right side
    680,905.83x = 308,009,534,683.03
  5. Step 5: Solve for x
    x = 308,009,534,683.03/680,905.83
  6. Step 6: Final answer
    x = 452,352.62

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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.