Home / 427,801.68-590,108.04-274,788.36

Finding the Fourth Proportional to 427,801.68, 590,108.04 and 274,788.36

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Solution

The fourth proportional to 427,801.68, 590,108.04 and 274,788.36 is: 379,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,801.68 : 590,108.04 = 274,788.36 : x
  2. Step 2: Convert to fraction form
    427,801.68/590,108.04 = 274,788.36/x
  3. Step 3: Cross multiply
    427,801.68x = 590,108.04 × 274,788.36
  4. Step 4: Simplify right side
    427,801.68x = 162,154,820,534.41
  5. Step 5: Solve for x
    x = 162,154,820,534.41/427,801.68
  6. Step 6: Final answer
    x = 379,042.04

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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.