Home / 428,946.64-591,944.55-237,960.03

Finding the Fourth Proportional to 428,946.64, 591,944.55 and 237,960.03

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Solution

The fourth proportional to 428,946.64, 591,944.55 and 237,960.03 is: 328,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,946.64 : 591,944.55 = 237,960.03 : x
  2. Step 2: Convert to fraction form
    428,946.64/591,944.55 = 237,960.03/x
  3. Step 3: Cross multiply
    428,946.64x = 591,944.55 × 237,960.03
  4. Step 4: Simplify right side
    428,946.64x = 140,859,142,876.34
  5. Step 5: Solve for x
    x = 140,859,142,876.34/428,946.64
  6. Step 6: Final answer
    x = 328,383.84

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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.