Home / 629,442.72-868,606.56-342,964.94

Finding the Fourth Proportional to 629,442.72, 868,606.56 and 342,964.94

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Solution

The fourth proportional to 629,442.72, 868,606.56 and 342,964.94 is: 473,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,442.72 : 868,606.56 = 342,964.94 : x
  2. Step 2: Convert to fraction form
    629,442.72/868,606.56 = 342,964.94/x
  3. Step 3: Cross multiply
    629,442.72x = 868,606.56 × 342,964.94
  4. Step 4: Simplify right side
    629,442.72x = 297,901,596,734.01
  5. Step 5: Solve for x
    x = 297,901,596,734.01/629,442.72
  6. Step 6: Final answer
    x = 473,278.33

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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.