Home / 888,465.80-1,332,697.64-289,425.98

Finding the Fourth Proportional to 888,465.80, 1,332,697.64 and 289,425.98

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Solution

The fourth proportional to 888,465.80, 1,332,697.64 and 289,425.98 is: 434,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,465.80 : 1,332,697.64 = 289,425.98 : x
  2. Step 2: Convert to fraction form
    888,465.80/1,332,697.64 = 289,425.98/x
  3. Step 3: Cross multiply
    888,465.80x = 1,332,697.64 × 289,425.98
  4. Step 4: Simplify right side
    888,465.80x = 385,717,320,500.69
  5. Step 5: Solve for x
    x = 385,717,320,500.69/888,465.80
  6. Step 6: Final answer
    x = 434,138.62

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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.