Home / 780,245.62-1,170,408.94-247,808.32

Finding the Fourth Proportional to 780,245.62, 1,170,408.94 and 247,808.32

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Solution

The fourth proportional to 780,245.62, 1,170,408.94 and 247,808.32 is: 371,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,245.62 : 1,170,408.94 = 247,808.32 : x
  2. Step 2: Convert to fraction form
    780,245.62/1,170,408.94 = 247,808.32/x
  3. Step 3: Cross multiply
    780,245.62x = 1,170,408.94 × 247,808.32
  4. Step 4: Simplify right side
    780,245.62x = 290,037,069,588.84
  5. Step 5: Solve for x
    x = 290,037,069,588.84/780,245.62
  6. Step 6: Final answer
    x = 371,725.34

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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.