Home / 815,999.10-1,223,998.65-496,664.70

Finding the Fourth Proportional to 815,999.10, 1,223,998.65 and 496,664.70

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Solution

The fourth proportional to 815,999.10, 1,223,998.65 and 496,664.70 is: 744,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,999.10 : 1,223,998.65 = 496,664.70 : x
  2. Step 2: Convert to fraction form
    815,999.10/1,223,998.65 = 496,664.70/x
  3. Step 3: Cross multiply
    815,999.10x = 1,223,998.65 × 496,664.70
  4. Step 4: Simplify right side
    815,999.10x = 607,916,922,302.66
  5. Step 5: Solve for x
    x = 607,916,922,302.66/815,999.10
  6. Step 6: Final answer
    x = 744,997.05

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Similar ratio
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1.5x scale

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.