Home / 903,372.03-1,355,056.97-272,285.78

Finding the Fourth Proportional to 903,372.03, 1,355,056.97 and 272,285.78

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Solution

The fourth proportional to 903,372.03, 1,355,056.97 and 272,285.78 is: 408,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,372.03 : 1,355,056.97 = 272,285.78 : x
  2. Step 2: Convert to fraction form
    903,372.03/1,355,056.97 = 272,285.78/x
  3. Step 3: Cross multiply
    903,372.03x = 1,355,056.97 × 272,285.78
  4. Step 4: Simplify right side
    903,372.03x = 368,962,735,884.17
  5. Step 5: Solve for x
    x = 368,962,735,884.17/903,372.03
  6. Step 6: Final answer
    x = 408,428.34

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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.