Home / 340,553.05-510,042.22-328,743.25

Finding the Fourth Proportional to 340,553.05, 510,042.22 and 328,743.25

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Solution

The fourth proportional to 340,553.05, 510,042.22 and 328,743.25 is: 492,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,553.05 : 510,042.22 = 328,743.25 : x
  2. Step 2: Convert to fraction form
    340,553.05/510,042.22 = 328,743.25/x
  3. Step 3: Cross multiply
    340,553.05x = 510,042.22 × 328,743.25
  4. Step 4: Simplify right side
    340,553.05x = 167,672,937,040.02
  5. Step 5: Solve for x
    x = 167,672,937,040.02/340,553.05
  6. Step 6: Final answer
    x = 492,354.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.