Home / 629,656.90-944,764.53-330,065.98

Finding the Fourth Proportional to 629,656.90, 944,764.53 and 330,065.98

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Solution

The fourth proportional to 629,656.90, 944,764.53 and 330,065.98 is: 495,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656.90 : 944,764.53 = 330,065.98 : x
  2. Step 2: Convert to fraction form
    629,656.90/944,764.53 = 330,065.98/x
  3. Step 3: Cross multiply
    629,656.90x = 944,764.53 × 330,065.98
  4. Step 4: Simplify right side
    629,656.90x = 311,834,630,463.69
  5. Step 5: Solve for x
    x = 311,834,630,463.69/629,656.90
  6. Step 6: Final answer
    x = 495,245.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.