Home / 874,071.45-1,311,272.55-341,558.82

Finding the Fourth Proportional to 874,071.45, 1,311,272.55 and 341,558.82

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Solution

The fourth proportional to 874,071.45, 1,311,272.55 and 341,558.82 is: 512,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,071.45 : 1,311,272.55 = 341,558.82 : x
  2. Step 2: Convert to fraction form
    874,071.45/1,311,272.55 = 341,558.82/x
  3. Step 3: Cross multiply
    874,071.45x = 1,311,272.55 × 341,558.82
  4. Step 4: Simplify right side
    874,071.45x = 447,876,704,876.39
  5. Step 5: Solve for x
    x = 447,876,704,876.39/874,071.45
  6. Step 6: Final answer
    x = 512,402.85

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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.