Home / 428,847.49-591,880.40-237,922.39

Finding the Fourth Proportional to 428,847.49, 591,880.40 and 237,922.39

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Solution

The fourth proportional to 428,847.49, 591,880.40 and 237,922.39 is: 328,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,847.49 : 591,880.40 = 237,922.39 : x
  2. Step 2: Convert to fraction form
    428,847.49/591,880.40 = 237,922.39/x
  3. Step 3: Cross multiply
    428,847.49x = 591,880.40 × 237,922.39
  4. Step 4: Simplify right side
    428,847.49x = 140,821,599,362.16
  5. Step 5: Solve for x
    x = 140,821,599,362.16/428,847.49
  6. Step 6: Final answer
    x = 328,372.21

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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.