Home / 388,972.20-584,333.10-374,100.60

Finding the Fourth Proportional to 388,972.20, 584,333.10 and 374,100.60

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Solution

The fourth proportional to 388,972.20, 584,333.10 and 374,100.60 is: 561,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,972.20 : 584,333.10 = 374,100.60 : x
  2. Step 2: Convert to fraction form
    388,972.20/584,333.10 = 374,100.60/x
  3. Step 3: Cross multiply
    388,972.20x = 584,333.10 × 374,100.60
  4. Step 4: Simplify right side
    388,972.20x = 218,599,363,309.86
  5. Step 5: Solve for x
    x = 218,599,363,309.86/388,972.20
  6. Step 6: Final answer
    x = 561,992.25

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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.