Home / 558,071.58-836,187.21-321,613.02

Finding the Fourth Proportional to 558,071.58, 836,187.21 and 321,613.02

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Solution

The fourth proportional to 558,071.58, 836,187.21 and 321,613.02 is: 481,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,071.58 : 836,187.21 = 321,613.02 : x
  2. Step 2: Convert to fraction form
    558,071.58/836,187.21 = 321,613.02/x
  3. Step 3: Cross multiply
    558,071.58x = 836,187.21 × 321,613.02
  4. Step 4: Simplify right side
    558,071.58x = 268,928,693,893.47
  5. Step 5: Solve for x
    x = 268,928,693,893.47/558,071.58
  6. Step 6: Final answer
    x = 481,889.25

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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.