Home / 639,274.42-882,530.34-466,998.96

Finding the Fourth Proportional to 639,274.42, 882,530.34 and 466,998.96

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Solution

The fourth proportional to 639,274.42, 882,530.34 and 466,998.96 is: 644,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,274.42 : 882,530.34 = 466,998.96 : x
  2. Step 2: Convert to fraction form
    639,274.42/882,530.34 = 466,998.96/x
  3. Step 3: Cross multiply
    639,274.42x = 882,530.34 × 466,998.96
  4. Step 4: Simplify right side
    639,274.42x = 412,140,750,948.45
  5. Step 5: Solve for x
    x = 412,140,750,948.45/639,274.42
  6. Step 6: Final answer
    x = 644,700.83

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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.