Home / 772,883.22-1,066,640.76-428,753.10

Finding the Fourth Proportional to 772,883.22, 1,066,640.76 and 428,753.10

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Solution

The fourth proportional to 772,883.22, 1,066,640.76 and 428,753.10 is: 591,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,883.22 : 1,066,640.76 = 428,753.10 : x
  2. Step 2: Convert to fraction form
    772,883.22/1,066,640.76 = 428,753.10/x
  3. Step 3: Cross multiply
    772,883.22x = 1,066,640.76 × 428,753.10
  4. Step 4: Simplify right side
    772,883.22x = 457,325,532,436.36
  5. Step 5: Solve for x
    x = 457,325,532,436.36/772,883.22
  6. Step 6: Final answer
    x = 591,713.63

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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.