Home / 903,213.76-1,354,801.20-272,113.60

Finding the Fourth Proportional to 903,213.76, 1,354,801.20 and 272,113.60

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Solution

The fourth proportional to 903,213.76, 1,354,801.20 and 272,113.60 is: 408,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,213.76 : 1,354,801.20 = 272,113.60 : x
  2. Step 2: Convert to fraction form
    903,213.76/1,354,801.20 = 272,113.60/x
  3. Step 3: Cross multiply
    903,213.76x = 1,354,801.20 × 272,113.60
  4. Step 4: Simplify right side
    903,213.76x = 368,659,831,816.32
  5. Step 5: Solve for x
    x = 368,659,831,816.32/903,213.76
  6. Step 6: Final answer
    x = 408,164.54

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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.