Home / 791,004.78-1,186,708.86-230,039.28

Finding the Fourth Proportional to 791,004.78, 1,186,708.86 and 230,039.28

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Solution

The fourth proportional to 791,004.78, 1,186,708.86 and 230,039.28 is: 345,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,004.78 : 1,186,708.86 = 230,039.28 : x
  2. Step 2: Convert to fraction form
    791,004.78/1,186,708.86 = 230,039.28/x
  3. Step 3: Cross multiply
    791,004.78x = 1,186,708.86 × 230,039.28
  4. Step 4: Simplify right side
    791,004.78x = 272,989,651,724.02
  5. Step 5: Solve for x
    x = 272,989,651,724.02/791,004.78
  6. Step 6: Final answer
    x = 345,117.58

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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.