Home / 681,483.60-1,022,699.72-282,126.44

Finding the Fourth Proportional to 681,483.60, 1,022,699.72 and 282,126.44

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Solution

The fourth proportional to 681,483.60, 1,022,699.72 and 282,126.44 is: 423,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,483.60 : 1,022,699.72 = 282,126.44 : x
  2. Step 2: Convert to fraction form
    681,483.60/1,022,699.72 = 282,126.44/x
  3. Step 3: Cross multiply
    681,483.60x = 1,022,699.72 × 282,126.44
  4. Step 4: Simplify right side
    681,483.60x = 288,530,631,192.60
  5. Step 5: Solve for x
    x = 288,530,631,192.60/681,483.60
  6. Step 6: Final answer
    x = 423,386.02

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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.