Home / 772,822.53-1,066,441.68-428,625.99

Finding the Fourth Proportional to 772,822.53, 1,066,441.68 and 428,625.99

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Solution

The fourth proportional to 772,822.53, 1,066,441.68 and 428,625.99 is: 591,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,822.53 : 1,066,441.68 = 428,625.99 : x
  2. Step 2: Convert to fraction form
    772,822.53/1,066,441.68 = 428,625.99/x
  3. Step 3: Cross multiply
    772,822.53x = 1,066,441.68 × 428,625.99
  4. Step 4: Simplify right side
    772,822.53x = 457,104,620,867.26
  5. Step 5: Solve for x
    x = 457,104,620,867.26/772,822.53
  6. Step 6: Final answer
    x = 591,474.24

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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.