Home / 629,198.64-868,307.40-342,718.02

Finding the Fourth Proportional to 629,198.64, 868,307.40 and 342,718.02

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Solution

The fourth proportional to 629,198.64, 868,307.40 and 342,718.02 is: 472,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,198.64 : 868,307.40 = 342,718.02 : x
  2. Step 2: Convert to fraction form
    629,198.64/868,307.40 = 342,718.02/x
  3. Step 3: Cross multiply
    629,198.64x = 868,307.40 × 342,718.02
  4. Step 4: Simplify right side
    629,198.64x = 297,584,592,879.35
  5. Step 5: Solve for x
    x = 297,584,592,879.35/629,198.64
  6. Step 6: Final answer
    x = 472,958.10

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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.