Home / 905,127.82-1,248,937.68-523,080.88

Finding the Fourth Proportional to 905,127.82, 1,248,937.68 and 523,080.88

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Solution

The fourth proportional to 905,127.82, 1,248,937.68 and 523,080.88 is: 721,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,127.82 : 1,248,937.68 = 523,080.88 : x
  2. Step 2: Convert to fraction form
    905,127.82/1,248,937.68 = 523,080.88/x
  3. Step 3: Cross multiply
    905,127.82x = 1,248,937.68 × 523,080.88
  4. Step 4: Simplify right side
    905,127.82x = 653,295,420,719.56
  5. Step 5: Solve for x
    x = 653,295,420,719.56/905,127.82
  6. Step 6: Final answer
    x = 721,771.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.