Home / 888,134.88-1,225,601.04-485,718.24

Finding the Fourth Proportional to 888,134.88, 1,225,601.04 and 485,718.24

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Solution

The fourth proportional to 888,134.88, 1,225,601.04 and 485,718.24 is: 670,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,134.88 : 1,225,601.04 = 485,718.24 : x
  2. Step 2: Convert to fraction form
    888,134.88/1,225,601.04 = 485,718.24/x
  3. Step 3: Cross multiply
    888,134.88x = 1,225,601.04 × 485,718.24
  4. Step 4: Simplify right side
    888,134.88x = 595,296,780,090.97
  5. Step 5: Solve for x
    x = 595,296,780,090.97/888,134.88
  6. Step 6: Final answer
    x = 670,277.45

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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.