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Finding the Fourth Proportional to 602,301.96, 831,162.30 and 330,367.41

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Solution

The fourth proportional to 602,301.96, 831,162.30 and 330,367.41 is: 455,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,301.96 : 831,162.30 = 330,367.41 : x
  2. Step 2: Convert to fraction form
    602,301.96/831,162.30 = 330,367.41/x
  3. Step 3: Cross multiply
    602,301.96x = 831,162.30 × 330,367.41
  4. Step 4: Simplify right side
    602,301.96x = 274,588,936,340.64
  5. Step 5: Solve for x
    x = 274,588,936,340.64/602,301.96
  6. Step 6: Final answer
    x = 455,899.12

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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.