Home / 883,641.70-1,325,462.55-218,793.70

Finding the Fourth Proportional to 883,641.70, 1,325,462.55 and 218,793.70

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Solution

The fourth proportional to 883,641.70, 1,325,462.55 and 218,793.70 is: 328,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,641.70 : 1,325,462.55 = 218,793.70 : x
  2. Step 2: Convert to fraction form
    883,641.70/1,325,462.55 = 218,793.70/x
  3. Step 3: Cross multiply
    883,641.70x = 1,325,462.55 × 218,793.70
  4. Step 4: Simplify right side
    883,641.70x = 290,002,855,525.94
  5. Step 5: Solve for x
    x = 290,002,855,525.94/883,641.70
  6. Step 6: Final answer
    x = 328,190.55

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Double scale
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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.