Home / 730,832.80-1,096,738.80-257,519.20

Finding the Fourth Proportional to 730,832.80, 1,096,738.80 and 257,519.20

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Solution

The fourth proportional to 730,832.80, 1,096,738.80 and 257,519.20 is: 386,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,832.80 : 1,096,738.80 = 257,519.20 : x
  2. Step 2: Convert to fraction form
    730,832.80/1,096,738.80 = 257,519.20/x
  3. Step 3: Cross multiply
    730,832.80x = 1,096,738.80 × 257,519.20
  4. Step 4: Simplify right side
    730,832.80x = 282,431,298,384.96
  5. Step 5: Solve for x
    x = 282,431,298,384.96/730,832.80
  6. Step 6: Final answer
    x = 386,451.32

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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.