Home / 629,039.20-943,558.80-488,898.40

Finding the Fourth Proportional to 629,039.20, 943,558.80 and 488,898.40

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Solution

The fourth proportional to 629,039.20, 943,558.80 and 488,898.40 is: 733,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,039.20 : 943,558.80 = 488,898.40 : x
  2. Step 2: Convert to fraction form
    629,039.20/943,558.80 = 488,898.40/x
  3. Step 3: Cross multiply
    629,039.20x = 943,558.80 × 488,898.40
  4. Step 4: Simplify right side
    629,039.20x = 461,304,387,625.92
  5. Step 5: Solve for x
    x = 461,304,387,625.92/629,039.20
  6. Step 6: Final answer
    x = 733,347.60

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Similar ratio
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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.