Home / 777,263.85-1,165,819.23-271,731.51

Finding the Fourth Proportional to 777,263.85, 1,165,819.23 and 271,731.51

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Solution

The fourth proportional to 777,263.85, 1,165,819.23 and 271,731.51 is: 407,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,263.85 : 1,165,819.23 = 271,731.51 : x
  2. Step 2: Convert to fraction form
    777,263.85/1,165,819.23 = 271,731.51/x
  3. Step 3: Cross multiply
    777,263.85x = 1,165,819.23 × 271,731.51
  4. Step 4: Simplify right side
    777,263.85x = 316,789,819,754.94
  5. Step 5: Solve for x
    x = 316,789,819,754.94/777,263.85
  6. Step 6: Final answer
    x = 407,570.50

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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.