Home / 851,608.08-1,277,485.90-312,010.92

Finding the Fourth Proportional to 851,608.08, 1,277,485.90 and 312,010.92

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Solution

The fourth proportional to 851,608.08, 1,277,485.90 and 312,010.92 is: 468,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,608.08 : 1,277,485.90 = 312,010.92 : x
  2. Step 2: Convert to fraction form
    851,608.08/1,277,485.90 = 312,010.92/x
  3. Step 3: Cross multiply
    851,608.08x = 1,277,485.90 × 312,010.92
  4. Step 4: Simplify right side
    851,608.08x = 398,589,550,166.00
  5. Step 5: Solve for x
    x = 398,589,550,166.00/851,608.08
  6. Step 6: Final answer
    x = 468,043.41

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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.