Home / 428,698.11-591,633.14-237,729.27

Finding the Fourth Proportional to 428,698.11, 591,633.14 and 237,729.27

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Solution

The fourth proportional to 428,698.11, 591,633.14 and 237,729.27 is: 328,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,698.11 : 591,633.14 = 237,729.27 : x
  2. Step 2: Convert to fraction form
    428,698.11/591,633.14 = 237,729.27/x
  3. Step 3: Cross multiply
    428,698.11x = 591,633.14 × 237,729.27
  4. Step 4: Simplify right side
    428,698.11x = 140,648,513,291.36
  5. Step 5: Solve for x
    x = 140,648,513,291.36/428,698.11
  6. Step 6: Final answer
    x = 328,082.89

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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.