Home / 605,668.20-835,784.45-333,720.87

Finding the Fourth Proportional to 605,668.20, 835,784.45 and 333,720.87

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Solution

The fourth proportional to 605,668.20, 835,784.45 and 333,720.87 is: 460,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,668.20 : 835,784.45 = 333,720.87 : x
  2. Step 2: Convert to fraction form
    605,668.20/835,784.45 = 333,720.87/x
  3. Step 3: Cross multiply
    605,668.20x = 835,784.45 × 333,720.87
  4. Step 4: Simplify right side
    605,668.20x = 278,918,715,914.47
  5. Step 5: Solve for x
    x = 278,918,715,914.47/605,668.20
  6. Step 6: Final answer
    x = 460,514.05

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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.