Home / 888,849.63-1,333,532.64-320,219.91

Finding the Fourth Proportional to 888,849.63, 1,333,532.64 and 320,219.91

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Solution

The fourth proportional to 888,849.63, 1,333,532.64 and 320,219.91 is: 480,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,849.63 : 1,333,532.64 = 320,219.91 : x
  2. Step 2: Convert to fraction form
    888,849.63/1,333,532.64 = 320,219.91/x
  3. Step 3: Cross multiply
    888,849.63x = 1,333,532.64 × 320,219.91
  4. Step 4: Simplify right side
    888,849.63x = 427,023,701,962.86
  5. Step 5: Solve for x
    x = 427,023,701,962.86/888,849.63
  6. Step 6: Final answer
    x = 480,422.88

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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.