Home / 639,090.53-882,023.04-367,157.92

Finding the Fourth Proportional to 639,090.53, 882,023.04 and 367,157.92

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Solution

The fourth proportional to 639,090.53, 882,023.04 and 367,157.92 is: 506,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,090.53 : 882,023.04 = 367,157.92 : x
  2. Step 2: Convert to fraction form
    639,090.53/882,023.04 = 367,157.92/x
  3. Step 3: Cross multiply
    639,090.53x = 882,023.04 × 367,157.92
  4. Step 4: Simplify right side
    639,090.53x = 323,841,744,758.48
  5. Step 5: Solve for x
    x = 323,841,744,758.48/639,090.53
  6. Step 6: Final answer
    x = 506,722.80

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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.