Home / 538,243.84-742,834.88-296,551.20

Finding the Fourth Proportional to 538,243.84, 742,834.88 and 296,551.20

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Solution

The fourth proportional to 538,243.84, 742,834.88 and 296,551.20 is: 409,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,243.84 : 742,834.88 = 296,551.20 : x
  2. Step 2: Convert to fraction form
    538,243.84/742,834.88 = 296,551.20/x
  3. Step 3: Cross multiply
    538,243.84x = 742,834.88 × 296,551.20
  4. Step 4: Simplify right side
    538,243.84x = 220,288,575,065.86
  5. Step 5: Solve for x
    x = 220,288,575,065.86/538,243.84
  6. Step 6: Final answer
    x = 409,272.82

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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.