Home / 914,670.75-1,262,245.64-512,262.75

Finding the Fourth Proportional to 914,670.75, 1,262,245.64 and 512,262.75

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Solution

The fourth proportional to 914,670.75, 1,262,245.64 and 512,262.75 is: 706,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,670.75 : 1,262,245.64 = 512,262.75 : x
  2. Step 2: Convert to fraction form
    914,670.75/1,262,245.64 = 512,262.75/x
  3. Step 3: Cross multiply
    914,670.75x = 1,262,245.64 × 512,262.75
  4. Step 4: Simplify right side
    914,670.75x = 646,601,420,160.60
  5. Step 5: Solve for x
    x = 646,601,420,160.60/914,670.75
  6. Step 6: Final answer
    x = 706,922.60

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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.