Home / 538,789.60-743,535.48-297,072.64

Finding the Fourth Proportional to 538,789.60, 743,535.48 and 297,072.64

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Solution

The fourth proportional to 538,789.60, 743,535.48 and 297,072.64 is: 409,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,789.60 : 743,535.48 = 297,072.64 : x
  2. Step 2: Convert to fraction form
    538,789.60/743,535.48 = 297,072.64/x
  3. Step 3: Cross multiply
    538,789.60x = 743,535.48 × 297,072.64
  4. Step 4: Simplify right side
    538,789.60x = 220,884,047,977.27
  5. Step 5: Solve for x
    x = 220,884,047,977.27/538,789.60
  6. Step 6: Final answer
    x = 409,963.46

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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.