Home / 743,971.20-1,025,716.59-481,860.16

Finding the Fourth Proportional to 743,971.20, 1,025,716.59 and 481,860.16

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Solution

The fourth proportional to 743,971.20, 1,025,716.59 and 481,860.16 is: 664,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,971.20 : 1,025,716.59 = 481,860.16 : x
  2. Step 2: Convert to fraction form
    743,971.20/1,025,716.59 = 481,860.16/x
  3. Step 3: Cross multiply
    743,971.20x = 1,025,716.59 × 481,860.16
  4. Step 4: Simplify right side
    743,971.20x = 494,251,957,607.76
  5. Step 5: Solve for x
    x = 494,251,957,607.76/743,971.20
  6. Step 6: Final answer
    x = 664,342.87

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Double scale
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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.