Home / 608,388.94-839,582.31-336,442.78

Finding the Fourth Proportional to 608,388.94, 839,582.31 and 336,442.78

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Solution

The fourth proportional to 608,388.94, 839,582.31 and 336,442.78 is: 464,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,388.94 : 839,582.31 = 336,442.78 : x
  2. Step 2: Convert to fraction form
    608,388.94/839,582.31 = 336,442.78/x
  3. Step 3: Cross multiply
    608,388.94x = 839,582.31 × 336,442.78
  4. Step 4: Simplify right side
    608,388.94x = 282,471,406,415.22
  5. Step 5: Solve for x
    x = 282,471,406,415.22/608,388.94
  6. Step 6: Final answer
    x = 464,294.12

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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.