Home / 538,239.07-742,742.33-296,516.35

Finding the Fourth Proportional to 538,239.07, 742,742.33 and 296,516.35

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Solution

The fourth proportional to 538,239.07, 742,742.33 and 296,516.35 is: 409,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,239.07 : 742,742.33 = 296,516.35 : x
  2. Step 2: Convert to fraction form
    538,239.07/742,742.33 = 296,516.35/x
  3. Step 3: Cross multiply
    538,239.07x = 742,742.33 × 296,516.35
  4. Step 4: Simplify right side
    538,239.07x = 220,235,244,682.10
  5. Step 5: Solve for x
    x = 220,235,244,682.10/538,239.07
  6. Step 6: Final answer
    x = 409,177.37

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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.