Home / 952,487.80-1,428,731.70-419,734.60

Finding the Fourth Proportional to 952,487.80, 1,428,731.70 and 419,734.60

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Solution

The fourth proportional to 952,487.80, 1,428,731.70 and 419,734.60 is: 629,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,487.80 : 1,428,731.70 = 419,734.60 : x
  2. Step 2: Convert to fraction form
    952,487.80/1,428,731.70 = 419,734.60/x
  3. Step 3: Cross multiply
    952,487.80x = 1,428,731.70 × 419,734.60
  4. Step 4: Simplify right side
    952,487.80x = 599,688,128,606.82
  5. Step 5: Solve for x
    x = 599,688,128,606.82/952,487.80
  6. Step 6: Final answer
    x = 629,601.90

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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.