Home / 942,007.26-1,299,933.79-512,287.88

Finding the Fourth Proportional to 942,007.26, 1,299,933.79 and 512,287.88

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Solution

The fourth proportional to 942,007.26, 1,299,933.79 and 512,287.88 is: 706,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,007.26 : 1,299,933.79 = 512,287.88 : x
  2. Step 2: Convert to fraction form
    942,007.26/1,299,933.79 = 512,287.88/x
  3. Step 3: Cross multiply
    942,007.26x = 1,299,933.79 × 512,287.88
  4. Step 4: Simplify right side
    942,007.26x = 665,940,327,388.58
  5. Step 5: Solve for x
    x = 665,940,327,388.58/942,007.26
  6. Step 6: Final answer
    x = 706,937.57

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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.