Home / 448,721.78-617,976.34-438,924.02

Finding the Fourth Proportional to 448,721.78, 617,976.34 and 438,924.02

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Solution

The fourth proportional to 448,721.78, 617,976.34 and 438,924.02 is: 604,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,721.78 : 617,976.34 = 438,924.02 : x
  2. Step 2: Convert to fraction form
    448,721.78/617,976.34 = 438,924.02/x
  3. Step 3: Cross multiply
    448,721.78x = 617,976.34 × 438,924.02
  4. Step 4: Simplify right side
    448,721.78x = 271,244,655,230.50
  5. Step 5: Solve for x
    x = 271,244,655,230.50/448,721.78
  6. Step 6: Final answer
    x = 604,482.93

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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.