Home / 580,109.52-800,539.07-321,971.32

Finding the Fourth Proportional to 580,109.52, 800,539.07 and 321,971.32

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Solution

The fourth proportional to 580,109.52, 800,539.07 and 321,971.32 is: 444,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,109.52 : 800,539.07 = 321,971.32 : x
  2. Step 2: Convert to fraction form
    580,109.52/800,539.07 = 321,971.32/x
  3. Step 3: Cross multiply
    580,109.52x = 800,539.07 × 321,971.32
  4. Step 4: Simplify right side
    580,109.52x = 257,750,615,466.92
  5. Step 5: Solve for x
    x = 257,750,615,466.92/580,109.52
  6. Step 6: Final answer
    x = 444,313.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.