Home / 850,712.05-1,174,065.37-635,478.45

Finding the Fourth Proportional to 850,712.05, 1,174,065.37 and 635,478.45

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Solution

The fourth proportional to 850,712.05, 1,174,065.37 and 635,478.45 is: 877,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,712.05 : 1,174,065.37 = 635,478.45 : x
  2. Step 2: Convert to fraction form
    850,712.05/1,174,065.37 = 635,478.45/x
  3. Step 3: Cross multiply
    850,712.05x = 1,174,065.37 × 635,478.45
  4. Step 4: Simplify right side
    850,712.05x = 746,093,236,544.69
  5. Step 5: Solve for x
    x = 746,093,236,544.69/850,712.05
  6. Step 6: Final answer
    x = 877,022.06

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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.