Home / 628,109.48-941,594.02-228,467.72

Finding the Fourth Proportional to 628,109.48, 941,594.02 and 228,467.72

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Solution

The fourth proportional to 628,109.48, 941,594.02 and 228,467.72 is: 342,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,109.48 : 941,594.02 = 228,467.72 : x
  2. Step 2: Convert to fraction form
    628,109.48/941,594.02 = 228,467.72/x
  3. Step 3: Cross multiply
    628,109.48x = 941,594.02 × 228,467.72
  4. Step 4: Simplify right side
    628,109.48x = 215,123,838,915.03
  5. Step 5: Solve for x
    x = 215,123,838,915.03/628,109.48
  6. Step 6: Final answer
    x = 342,494.18

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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.