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Finding the Fourth Proportional to 639,273.42, 882,528.96 and 466,997.96

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Solution

The fourth proportional to 639,273.42, 882,528.96 and 466,997.96 is: 644,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,273.42 : 882,528.96 = 466,997.96 : x
  2. Step 2: Convert to fraction form
    639,273.42/882,528.96 = 466,997.96/x
  3. Step 3: Cross multiply
    639,273.42x = 882,528.96 × 466,997.96
  4. Step 4: Simplify right side
    639,273.42x = 412,139,223,960.92
  5. Step 5: Solve for x
    x = 412,139,223,960.92/639,273.42
  6. Step 6: Final answer
    x = 644,699.45

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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.