Home / 448,722.15-617,976.84-438,924.39

Finding the Fourth Proportional to 448,722.15, 617,976.84 and 438,924.39

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Solution

The fourth proportional to 448,722.15, 617,976.84 and 438,924.39 is: 604,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,722.15 : 617,976.84 = 438,924.39 : x
  2. Step 2: Convert to fraction form
    448,722.15/617,976.84 = 438,924.39/x
  3. Step 3: Cross multiply
    448,722.15x = 617,976.84 × 438,924.39
  4. Step 4: Simplify right side
    448,722.15x = 271,245,107,531.13
  5. Step 5: Solve for x
    x = 271,245,107,531.13/448,722.15
  6. Step 6: Final answer
    x = 604,483.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.