Home / 629,713.58-869,028.24-357,827.64

Finding the Fourth Proportional to 629,713.58, 869,028.24 and 357,827.64

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Solution

The fourth proportional to 629,713.58, 869,028.24 and 357,827.64 is: 493,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,713.58 : 869,028.24 = 357,827.64 : x
  2. Step 2: Convert to fraction form
    629,713.58/869,028.24 = 357,827.64/x
  3. Step 3: Cross multiply
    629,713.58x = 869,028.24 × 357,827.64
  4. Step 4: Simplify right side
    629,713.58x = 310,962,324,212.55
  5. Step 5: Solve for x
    x = 310,962,324,212.55/629,713.58
  6. Step 6: Final answer
    x = 493,815.50

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1.5x scale

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.