Home / 629,045.35-943,845.81-488,115.07

Finding the Fourth Proportional to 629,045.35, 943,845.81 and 488,115.07

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Solution

The fourth proportional to 629,045.35, 943,845.81 and 488,115.07 is: 732,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,045.35 : 943,845.81 = 488,115.07 : x
  2. Step 2: Convert to fraction form
    629,045.35/943,845.81 = 488,115.07/x
  3. Step 3: Cross multiply
    629,045.35x = 943,845.81 × 488,115.07
  4. Step 4: Simplify right side
    629,045.35x = 460,705,361,257.74
  5. Step 5: Solve for x
    x = 460,705,361,257.74/629,045.35
  6. Step 6: Final answer
    x = 732,388.15

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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.