Home / 786,913.80-1,180,662.30-254,452.20

Finding the Fourth Proportional to 786,913.80, 1,180,662.30 and 254,452.20

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Solution

The fourth proportional to 786,913.80, 1,180,662.30 and 254,452.20 is: 381,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,913.80 : 1,180,662.30 = 254,452.20 : x
  2. Step 2: Convert to fraction form
    786,913.80/1,180,662.30 = 254,452.20/x
  3. Step 3: Cross multiply
    786,913.80x = 1,180,662.30 × 254,452.20
  4. Step 4: Simplify right side
    786,913.80x = 300,422,119,692.06
  5. Step 5: Solve for x
    x = 300,422,119,692.06/786,913.80
  6. Step 6: Final answer
    x = 381,772.59

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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.