Home / 787,205.80-1,180,808.70-254,765.80

Finding the Fourth Proportional to 787,205.80, 1,180,808.70 and 254,765.80

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Solution

The fourth proportional to 787,205.80, 1,180,808.70 and 254,765.80 is: 382,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,205.80 : 1,180,808.70 = 254,765.80 : x
  2. Step 2: Convert to fraction form
    787,205.80/1,180,808.70 = 254,765.80/x
  3. Step 3: Cross multiply
    787,205.80x = 1,180,808.70 × 254,765.80
  4. Step 4: Simplify right side
    787,205.80x = 300,829,673,102.46
  5. Step 5: Solve for x
    x = 300,829,673,102.46/787,205.80
  6. Step 6: Final answer
    x = 382,148.70

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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.