Home / 629,448.75-868,639.37-342,968.86

Finding the Fourth Proportional to 629,448.75, 868,639.37 and 342,968.86

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Solution

The fourth proportional to 629,448.75, 868,639.37 and 342,968.86 is: 473,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,448.75 : 868,639.37 = 342,968.86 : x
  2. Step 2: Convert to fraction form
    629,448.75/868,639.37 = 342,968.86/x
  3. Step 3: Cross multiply
    629,448.75x = 868,639.37 × 342,968.86
  4. Step 4: Simplify right side
    629,448.75x = 297,916,254,480.02
  5. Step 5: Solve for x
    x = 297,916,254,480.02/629,448.75
  6. Step 6: Final answer
    x = 473,297.08

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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.