Home / 771,604.52-1,157,406.89-322,080.17

Finding the Fourth Proportional to 771,604.52, 1,157,406.89 and 322,080.17

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Solution

The fourth proportional to 771,604.52, 1,157,406.89 and 322,080.17 is: 483,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,604.52 : 1,157,406.89 = 322,080.17 : x
  2. Step 2: Convert to fraction form
    771,604.52/1,157,406.89 = 322,080.17/x
  3. Step 3: Cross multiply
    771,604.52x = 1,157,406.89 × 322,080.17
  4. Step 4: Simplify right side
    771,604.52x = 372,777,800,492.94
  5. Step 5: Solve for x
    x = 372,777,800,492.94/771,604.52
  6. Step 6: Final answer
    x = 483,120.29

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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.