Home / 428,516.64-591,343.56-237,528.36

Finding the Fourth Proportional to 428,516.64, 591,343.56 and 237,528.36

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Solution

The fourth proportional to 428,516.64, 591,343.56 and 237,528.36 is: 327,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,516.64 : 591,343.56 = 237,528.36 : x
  2. Step 2: Convert to fraction form
    428,516.64/591,343.56 = 237,528.36/x
  3. Step 3: Cross multiply
    428,516.64x = 591,343.56 × 237,528.36
  4. Step 4: Simplify right side
    428,516.64x = 140,460,866,003.36
  5. Step 5: Solve for x
    x = 140,460,866,003.36/428,516.64
  6. Step 6: Final answer
    x = 327,783.92

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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.