Home / 789,793.20-1,184,689.80-391,212.45

Finding the Fourth Proportional to 789,793.20, 1,184,689.80 and 391,212.45

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Solution

The fourth proportional to 789,793.20, 1,184,689.80 and 391,212.45 is: 586,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,793.20 : 1,184,689.80 = 391,212.45 : x
  2. Step 2: Convert to fraction form
    789,793.20/1,184,689.80 = 391,212.45/x
  3. Step 3: Cross multiply
    789,793.20x = 1,184,689.80 × 391,212.45
  4. Step 4: Simplify right side
    789,793.20x = 463,465,399,148.01
  5. Step 5: Solve for x
    x = 463,465,399,148.01/789,793.20
  6. Step 6: Final answer
    x = 586,818.68

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Half scale
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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.