Home / 613,287.45-919,931.18-276,708.15

Finding the Fourth Proportional to 613,287.45, 919,931.18 and 276,708.15

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Solution

The fourth proportional to 613,287.45, 919,931.18 and 276,708.15 is: 415,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,287.45 : 919,931.18 = 276,708.15 : x
  2. Step 2: Convert to fraction form
    613,287.45/919,931.18 = 276,708.15/x
  3. Step 3: Cross multiply
    613,287.45x = 919,931.18 × 276,708.15
  4. Step 4: Simplify right side
    613,287.45x = 254,552,453,561.58
  5. Step 5: Solve for x
    x = 254,552,453,561.58/613,287.45
  6. Step 6: Final answer
    x = 415,062.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.