Home / 629,730.10-946,438.35-548,629.30

Finding the Fourth Proportional to 629,730.10, 946,438.35 and 548,629.30

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Solution

The fourth proportional to 629,730.10, 946,438.35 and 548,629.30 is: 824,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,730.10 : 946,438.35 = 548,629.30 : x
  2. Step 2: Convert to fraction form
    629,730.10/946,438.35 = 548,629.30/x
  3. Step 3: Cross multiply
    629,730.10x = 946,438.35 × 548,629.30
  4. Step 4: Simplify right side
    629,730.10x = 519,243,809,453.66
  5. Step 5: Solve for x
    x = 519,243,809,453.66/629,730.10
  6. Step 6: Final answer
    x = 824,549.77

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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.