Home / 780,035.70-1,170,053.55-360,131.70

Finding the Fourth Proportional to 780,035.70, 1,170,053.55 and 360,131.70

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Solution

The fourth proportional to 780,035.70, 1,170,053.55 and 360,131.70 is: 540,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,035.70 : 1,170,053.55 = 360,131.70 : x
  2. Step 2: Convert to fraction form
    780,035.70/1,170,053.55 = 360,131.70/x
  3. Step 3: Cross multiply
    780,035.70x = 1,170,053.55 × 360,131.70
  4. Step 4: Simplify right side
    780,035.70x = 421,373,374,052.54
  5. Step 5: Solve for x
    x = 421,373,374,052.54/780,035.70
  6. Step 6: Final answer
    x = 540,197.55

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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.