Home / 579,034.44-799,099.32-320,905.97

Finding the Fourth Proportional to 579,034.44, 799,099.32 and 320,905.97

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Solution

The fourth proportional to 579,034.44, 799,099.32 and 320,905.97 is: 442,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,034.44 : 799,099.32 = 320,905.97 : x
  2. Step 2: Convert to fraction form
    579,034.44/799,099.32 = 320,905.97/x
  3. Step 3: Cross multiply
    579,034.44x = 799,099.32 × 320,905.97
  4. Step 4: Simplify right side
    579,034.44x = 256,435,742,615.46
  5. Step 5: Solve for x
    x = 256,435,742,615.46/579,034.44
  6. Step 6: Final answer
    x = 442,867.86

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1.5x scale

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.