Home / 919,003.20-1,378,570.68-245,080.96

Finding the Fourth Proportional to 919,003.20, 1,378,570.68 and 245,080.96

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Solution

The fourth proportional to 919,003.20, 1,378,570.68 and 245,080.96 is: 367,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,003.20 : 1,378,570.68 = 245,080.96 : x
  2. Step 2: Convert to fraction form
    919,003.20/1,378,570.68 = 245,080.96/x
  3. Step 3: Cross multiply
    919,003.20x = 1,378,570.68 × 245,080.96
  4. Step 4: Simplify right side
    919,003.20x = 337,861,425,682.25
  5. Step 5: Solve for x
    x = 337,861,425,682.25/919,003.20
  6. Step 6: Final answer
    x = 367,639.01

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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.