Home / 810,885.43-1,118,836.30-484,134.97

Finding the Fourth Proportional to 810,885.43, 1,118,836.30 and 484,134.97

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Solution

The fourth proportional to 810,885.43, 1,118,836.30 and 484,134.97 is: 667,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,885.43 : 1,118,836.30 = 484,134.97 : x
  2. Step 2: Convert to fraction form
    810,885.43/1,118,836.30 = 484,134.97/x
  3. Step 3: Cross multiply
    810,885.43x = 1,118,836.30 × 484,134.97
  4. Step 4: Simplify right side
    810,885.43x = 541,667,771,730.89
  5. Step 5: Solve for x
    x = 541,667,771,730.89/810,885.43
  6. Step 6: Final answer
    x = 667,995.44

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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.