Home / 904,920.62-1,357,555.88-343,911.38

Finding the Fourth Proportional to 904,920.62, 1,357,555.88 and 343,911.38

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Solution

The fourth proportional to 904,920.62, 1,357,555.88 and 343,911.38 is: 515,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,920.62 : 1,357,555.88 = 343,911.38 : x
  2. Step 2: Convert to fraction form
    904,920.62/1,357,555.88 = 343,911.38/x
  3. Step 3: Cross multiply
    904,920.62x = 1,357,555.88 × 343,911.38
  4. Step 4: Simplify right side
    904,920.62x = 466,878,910,189.91
  5. Step 5: Solve for x
    x = 466,878,910,189.91/904,920.62
  6. Step 6: Final answer
    x = 515,933.56

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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.