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Finding the Fourth Proportional to 634,689.78, 951,568.10 and 302,499.06

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Solution

The fourth proportional to 634,689.78, 951,568.10 and 302,499.06 is: 453,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,689.78 : 951,568.10 = 302,499.06 : x
  2. Step 2: Convert to fraction form
    634,689.78/951,568.10 = 302,499.06/x
  3. Step 3: Cross multiply
    634,689.78x = 951,568.10 × 302,499.06
  4. Step 4: Simplify right side
    634,689.78x = 287,848,455,775.99
  5. Step 5: Solve for x
    x = 287,848,455,775.99/634,689.78
  6. Step 6: Final answer
    x = 453,526.22

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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.