Home / 538,363.01-742,974.05-296,645.53

Finding the Fourth Proportional to 538,363.01, 742,974.05 and 296,645.53

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Solution

The fourth proportional to 538,363.01, 742,974.05 and 296,645.53 is: 409,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,363.01 : 742,974.05 = 296,645.53 : x
  2. Step 2: Convert to fraction form
    538,363.01/742,974.05 = 296,645.53/x
  3. Step 3: Cross multiply
    538,363.01x = 742,974.05 × 296,645.53
  4. Step 4: Simplify right side
    538,363.01x = 220,399,930,838.50
  5. Step 5: Solve for x
    x = 220,399,930,838.50/538,363.01
  6. Step 6: Final answer
    x = 409,389.07

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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.