Home / 608,627.19-839,930.25-336,690.39

Finding the Fourth Proportional to 608,627.19, 839,930.25 and 336,690.39

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Solution

The fourth proportional to 608,627.19, 839,930.25 and 336,690.39 is: 464,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,627.19 : 839,930.25 = 336,690.39 : x
  2. Step 2: Convert to fraction form
    608,627.19/839,930.25 = 336,690.39/x
  3. Step 3: Cross multiply
    608,627.19x = 839,930.25 × 336,690.39
  4. Step 4: Simplify right side
    608,627.19x = 282,796,443,445.30
  5. Step 5: Solve for x
    x = 282,796,443,445.30/608,627.19
  6. Step 6: Final answer
    x = 464,646.42

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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.