Home / 538,151.06-742,645-296,428.02

Finding the Fourth Proportional to 538,151.06, 742,645 and 296,428.02

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Solution

The fourth proportional to 538,151.06, 742,645 and 296,428.02 is: 409,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,151.06 : 742,645 = 296,428.02 : x
  2. Step 2: Convert to fraction form
    538,151.06/742,645 = 296,428.02/x
  3. Step 3: Cross multiply
    538,151.06x = 742,645 × 296,428.02
  4. Step 4: Simplify right side
    538,151.06x = 220,140,786,912.90
  5. Step 5: Solve for x
    x = 220,140,786,912.90/538,151.06
  6. Step 6: Final answer
    x = 409,068.76

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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.