Home / 629,758.41-869,033.80-357,788.55

Finding the Fourth Proportional to 629,758.41, 869,033.80 and 357,788.55

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Solution

The fourth proportional to 629,758.41, 869,033.80 and 357,788.55 is: 493,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,758.41 : 869,033.80 = 357,788.55 : x
  2. Step 2: Convert to fraction form
    629,758.41/869,033.80 = 357,788.55/x
  3. Step 3: Cross multiply
    629,758.41x = 869,033.80 × 357,788.55
  4. Step 4: Simplify right side
    629,758.41x = 310,930,343,202.99
  5. Step 5: Solve for x
    x = 310,930,343,202.99/629,758.41
  6. Step 6: Final answer
    x = 493,729.56

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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.