Home / 629,054.15-868,088.75-342,579.02

Finding the Fourth Proportional to 629,054.15, 868,088.75 and 342,579.02

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Solution

The fourth proportional to 629,054.15, 868,088.75 and 342,579.02 is: 472,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,054.15 : 868,088.75 = 342,579.02 : x
  2. Step 2: Convert to fraction form
    629,054.15/868,088.75 = 342,579.02/x
  3. Step 3: Cross multiply
    629,054.15x = 868,088.75 × 342,579.02
  4. Step 4: Simplify right side
    629,054.15x = 297,388,987,194.69
  5. Step 5: Solve for x
    x = 297,388,987,194.69/629,054.15
  6. Step 6: Final answer
    x = 472,755.79

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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.