Home / 786,786.20-1,180,563.30-365,845.40

Finding the Fourth Proportional to 786,786.20, 1,180,563.30 and 365,845.40

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Solution

The fourth proportional to 786,786.20, 1,180,563.30 and 365,845.40 is: 548,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,786.20 : 1,180,563.30 = 365,845.40 : x
  2. Step 2: Convert to fraction form
    786,786.20/1,180,563.30 = 365,845.40/x
  3. Step 3: Cross multiply
    786,786.20x = 1,180,563.30 × 365,845.40
  4. Step 4: Simplify right side
    786,786.20x = 431,903,652,713.82
  5. Step 5: Solve for x
    x = 431,903,652,713.82/786,786.20
  6. Step 6: Final answer
    x = 548,946.66

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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.