Home / 538,063.18-742,531.92-296,354.12

Finding the Fourth Proportional to 538,063.18, 742,531.92 and 296,354.12

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Solution

The fourth proportional to 538,063.18, 742,531.92 and 296,354.12 is: 408,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,063.18 : 742,531.92 = 296,354.12 : x
  2. Step 2: Convert to fraction form
    538,063.18/742,531.92 = 296,354.12/x
  3. Step 3: Cross multiply
    538,063.18x = 742,531.92 × 296,354.12
  4. Step 4: Simplify right side
    538,063.18x = 220,052,393,723.51
  5. Step 5: Solve for x
    x = 220,052,393,723.51/538,063.18
  6. Step 6: Final answer
    x = 408,971.29

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1.5x scale

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.