Home / 637,121.11-879,247.07-361,490.58

Finding the Fourth Proportional to 637,121.11, 879,247.07 and 361,490.58

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Solution

The fourth proportional to 637,121.11, 879,247.07 and 361,490.58 is: 498,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,121.11 : 879,247.07 = 361,490.58 : x
  2. Step 2: Convert to fraction form
    637,121.11/879,247.07 = 361,490.58/x
  3. Step 3: Cross multiply
    637,121.11x = 879,247.07 × 361,490.58
  4. Step 4: Simplify right side
    637,121.11x = 317,839,533,297.60
  5. Step 5: Solve for x
    x = 317,839,533,297.60/637,121.11
  6. Step 6: Final answer
    x = 498,868.31

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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.