Home / 639,282.31-882,230.18-363,633.03

Finding the Fourth Proportional to 639,282.31, 882,230.18 and 363,633.03

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Solution

The fourth proportional to 639,282.31, 882,230.18 and 363,633.03 is: 501,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,282.31 : 882,230.18 = 363,633.03 : x
  2. Step 2: Convert to fraction form
    639,282.31/882,230.18 = 363,633.03/x
  3. Step 3: Cross multiply
    639,282.31x = 882,230.18 × 363,633.03
  4. Step 4: Simplify right side
    639,282.31x = 320,808,035,522.72
  5. Step 5: Solve for x
    x = 320,808,035,522.72/639,282.31
  6. Step 6: Final answer
    x = 501,825.30

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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.