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Finding the Fourth Proportional to 634,488, 951,687.44 and 297,602.56

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Solution

The fourth proportional to 634,488, 951,687.44 and 297,602.56 is: 446,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,488 : 951,687.44 = 297,602.56 : x
  2. Step 2: Convert to fraction form
    634,488/951,687.44 = 297,602.56/x
  3. Step 3: Cross multiply
    634,488x = 951,687.44 × 297,602.56
  4. Step 4: Simplify right side
    634,488x = 283,224,618,463.85
  5. Step 5: Solve for x
    x = 283,224,618,463.85/634,488
  6. Step 6: Final answer
    x = 446,382.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.