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Finding the Fourth Proportional to 634,687.78, 951,565.11 and 302,497.06

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Solution

The fourth proportional to 634,687.78, 951,565.11 and 302,497.06 is: 453,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,687.78 : 951,565.11 = 302,497.06 : x
  2. Step 2: Convert to fraction form
    634,687.78/951,565.11 = 302,497.06/x
  3. Step 3: Cross multiply
    634,687.78x = 951,565.11 × 302,497.06
  4. Step 4: Simplify right side
    634,687.78x = 287,845,648,173.58
  5. Step 5: Solve for x
    x = 287,845,648,173.58/634,687.78
  6. Step 6: Final answer
    x = 453,523.22

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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.