Home / 538,150.82-742,644.65-296,427.78

Finding the Fourth Proportional to 538,150.82, 742,644.65 and 296,427.78

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Solution

The fourth proportional to 538,150.82, 742,644.65 and 296,427.78 is: 409,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,150.82 : 742,644.65 = 296,427.78 : x
  2. Step 2: Convert to fraction form
    538,150.82/742,644.65 = 296,427.78/x
  3. Step 3: Cross multiply
    538,150.82x = 742,644.65 × 296,427.78
  4. Step 4: Simplify right side
    538,150.82x = 220,140,503,446.24
  5. Step 5: Solve for x
    x = 220,140,503,446.24/538,150.82
  6. Step 6: Final answer
    x = 409,068.42

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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.