Home / 629,576.42-944,643.47-329,985.77

Finding the Fourth Proportional to 629,576.42, 944,643.47 and 329,985.77

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Solution

The fourth proportional to 629,576.42, 944,643.47 and 329,985.77 is: 495,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,576.42 : 944,643.47 = 329,985.77 : x
  2. Step 2: Convert to fraction form
    629,576.42/944,643.47 = 329,985.77/x
  3. Step 3: Cross multiply
    629,576.42x = 944,643.47 × 329,985.77
  4. Step 4: Simplify right side
    629,576.42x = 311,718,896,450.28
  5. Step 5: Solve for x
    x = 311,718,896,450.28/629,576.42
  6. Step 6: Final answer
    x = 495,124.80

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1.5x scale

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.