Home / 810,599.88-1,215,920.70-384,035.88

Finding the Fourth Proportional to 810,599.88, 1,215,920.70 and 384,035.88

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Solution

The fourth proportional to 810,599.88, 1,215,920.70 and 384,035.88 is: 576,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,599.88 : 1,215,920.70 = 384,035.88 : x
  2. Step 2: Convert to fraction form
    810,599.88/1,215,920.70 = 384,035.88/x
  3. Step 3: Cross multiply
    810,599.88x = 1,215,920.70 × 384,035.88
  4. Step 4: Simplify right side
    810,599.88x = 466,957,176,034.72
  5. Step 5: Solve for x
    x = 466,957,176,034.72/810,599.88
  6. Step 6: Final answer
    x = 576,063.71

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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.