Home / 639,223.03-882,177.65-367,385.82

Finding the Fourth Proportional to 639,223.03, 882,177.65 and 367,385.82

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Solution

The fourth proportional to 639,223.03, 882,177.65 and 367,385.82 is: 507,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,223.03 : 882,177.65 = 367,385.82 : x
  2. Step 2: Convert to fraction form
    639,223.03/882,177.65 = 367,385.82/x
  3. Step 3: Cross multiply
    639,223.03x = 882,177.65 × 367,385.82
  4. Step 4: Simplify right side
    639,223.03x = 324,099,559,330.92
  5. Step 5: Solve for x
    x = 324,099,559,330.92/639,223.03
  6. Step 6: Final answer
    x = 507,021.09

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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.