Home / 639,627.37-882,685.54-367,748.42

Finding the Fourth Proportional to 639,627.37, 882,685.54 and 367,748.42

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Solution

The fourth proportional to 639,627.37, 882,685.54 and 367,748.42 is: 507,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,627.37 : 882,685.54 = 367,748.42 : x
  2. Step 2: Convert to fraction form
    639,627.37/882,685.54 = 367,748.42/x
  3. Step 3: Cross multiply
    639,627.37x = 882,685.54 × 367,748.42
  4. Step 4: Simplify right side
    639,627.37x = 324,606,212,691.85
  5. Step 5: Solve for x
    x = 324,606,212,691.85/639,627.37
  6. Step 6: Final answer
    x = 507,492.69

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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.