Home / 538,225.31-742,747.47-296,502.27

Finding the Fourth Proportional to 538,225.31, 742,747.47 and 296,502.27

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Solution

The fourth proportional to 538,225.31, 742,747.47 and 296,502.27 is: 409,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,225.31 : 742,747.47 = 296,502.27 : x
  2. Step 2: Convert to fraction form
    538,225.31/742,747.47 = 296,502.27/x
  3. Step 3: Cross multiply
    538,225.31x = 742,747.47 × 296,502.27
  4. Step 4: Simplify right side
    538,225.31x = 220,226,310,891.76
  5. Step 5: Solve for x
    x = 220,226,310,891.76/538,225.31
  6. Step 6: Final answer
    x = 409,171.23

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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.