Home / 888,461.64-1,332,691.38-289,421.82

Finding the Fourth Proportional to 888,461.64, 1,332,691.38 and 289,421.82

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Solution

The fourth proportional to 888,461.64, 1,332,691.38 and 289,421.82 is: 434,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,461.64 : 1,332,691.38 = 289,421.82 : x
  2. Step 2: Convert to fraction form
    888,461.64/1,332,691.38 = 289,421.82/x
  3. Step 3: Cross multiply
    888,461.64x = 1,332,691.38 × 289,421.82
  4. Step 4: Simplify right side
    888,461.64x = 385,709,964,697.91
  5. Step 5: Solve for x
    x = 385,709,964,697.91/888,461.64
  6. Step 6: Final answer
    x = 434,132.38

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1.5x scale

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.