Home / 927,087.75-1,391,528.43-447,651.72

Finding the Fourth Proportional to 927,087.75, 1,391,528.43 and 447,651.72

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Solution

The fourth proportional to 927,087.75, 1,391,528.43 and 447,651.72 is: 671,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,087.75 : 1,391,528.43 = 447,651.72 : x
  2. Step 2: Convert to fraction form
    927,087.75/1,391,528.43 = 447,651.72/x
  3. Step 3: Cross multiply
    927,087.75x = 1,391,528.43 × 447,651.72
  4. Step 4: Simplify right side
    927,087.75x = 622,920,095,118.40
  5. Step 5: Solve for x
    x = 622,920,095,118.40/927,087.75
  6. Step 6: Final answer
    x = 671,910.61

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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.