Home / 775,477.80-1,160,592.30-680,999.40

Finding the Fourth Proportional to 775,477.80, 1,160,592.30 and 680,999.40

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Solution

The fourth proportional to 775,477.80, 1,160,592.30 and 680,999.40 is: 1,019,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,477.80 : 1,160,592.30 = 680,999.40 : x
  2. Step 2: Convert to fraction form
    775,477.80/1,160,592.30 = 680,999.40/x
  3. Step 3: Cross multiply
    775,477.80x = 1,160,592.30 × 680,999.40
  4. Step 4: Simplify right side
    775,477.80x = 790,362,659,944.62
  5. Step 5: Solve for x
    x = 790,362,659,944.62/775,477.80
  6. Step 6: Final answer
    x = 1,019,194.44

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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.