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Finding the Fourth Proportional to 602,196.38, 831,031 and 333,924.38

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Solution

The fourth proportional to 602,196.38, 831,031 and 333,924.38 is: 460,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,196.38 : 831,031 = 333,924.38 : x
  2. Step 2: Convert to fraction form
    602,196.38/831,031 = 333,924.38/x
  3. Step 3: Cross multiply
    602,196.38x = 831,031 × 333,924.38
  4. Step 4: Simplify right side
    602,196.38x = 277,501,511,435.78
  5. Step 5: Solve for x
    x = 277,501,511,435.78/602,196.38
  6. Step 6: Final answer
    x = 460,815.64

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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.