Home / 650,661.04-897,916.76-378,887.41

Finding the Fourth Proportional to 650,661.04, 897,916.76 and 378,887.41

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Solution

The fourth proportional to 650,661.04, 897,916.76 and 378,887.41 is: 522,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,661.04 : 897,916.76 = 378,887.41 : x
  2. Step 2: Convert to fraction form
    650,661.04/897,916.76 = 378,887.41/x
  3. Step 3: Cross multiply
    650,661.04x = 897,916.76 × 378,887.41
  4. Step 4: Simplify right side
    650,661.04x = 340,209,355,591.99
  5. Step 5: Solve for x
    x = 340,209,355,591.99/650,661.04
  6. Step 6: Final answer
    x = 522,867.26

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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.