Home / 637,297.60-955,159.08-321,844.72

Finding the Fourth Proportional to 637,297.60, 955,159.08 and 321,844.72

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Solution

The fourth proportional to 637,297.60, 955,159.08 and 321,844.72 is: 482,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,297.60 : 955,159.08 = 321,844.72 : x
  2. Step 2: Convert to fraction form
    637,297.60/955,159.08 = 321,844.72/x
  3. Step 3: Cross multiply
    637,297.60x = 955,159.08 × 321,844.72
  4. Step 4: Simplify right side
    637,297.60x = 307,412,906,658.06
  5. Step 5: Solve for x
    x = 307,412,906,658.06/637,297.60
  6. Step 6: Final answer
    x = 482,369.47

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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.