Home / 538,358.94-742,968.44-296,641.45

Finding the Fourth Proportional to 538,358.94, 742,968.44 and 296,641.45

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Solution

The fourth proportional to 538,358.94, 742,968.44 and 296,641.45 is: 409,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,358.94 : 742,968.44 = 296,641.45 : x
  2. Step 2: Convert to fraction form
    538,358.94/742,968.44 = 296,641.45/x
  3. Step 3: Cross multiply
    538,358.94x = 742,968.44 × 296,641.45
  4. Step 4: Simplify right side
    538,358.94x = 220,395,236,740.61
  5. Step 5: Solve for x
    x = 220,395,236,740.61/538,358.94
  6. Step 6: Final answer
    x = 409,383.44

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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.