Home / 888,465.61-1,332,697.37-289,425.79

Finding the Fourth Proportional to 888,465.61, 1,332,697.37 and 289,425.79

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Solution

The fourth proportional to 888,465.61, 1,332,697.37 and 289,425.79 is: 434,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,465.61 : 1,332,697.37 = 289,425.79 : x
  2. Step 2: Convert to fraction form
    888,465.61/1,332,697.37 = 289,425.79/x
  3. Step 3: Cross multiply
    888,465.61x = 1,332,697.37 × 289,425.79
  4. Step 4: Simplify right side
    888,465.61x = 385,716,987,696.04
  5. Step 5: Solve for x
    x = 385,716,987,696.04/888,465.61
  6. Step 6: Final answer
    x = 434,138.34

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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.