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Finding the Fourth Proportional to 635,532.20, 876,668.33 and 380,735.77

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Solution

The fourth proportional to 635,532.20, 876,668.33 and 380,735.77 is: 525,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,532.20 : 876,668.33 = 380,735.77 : x
  2. Step 2: Convert to fraction form
    635,532.20/876,668.33 = 380,735.77/x
  3. Step 3: Cross multiply
    635,532.20x = 876,668.33 × 380,735.77
  4. Step 4: Simplify right side
    635,532.20x = 333,778,987,273.82
  5. Step 5: Solve for x
    x = 333,778,987,273.82/635,532.20
  6. Step 6: Final answer
    x = 525,196.03

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1.5x scale

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.