Home / 817,661.28-1,226,534.34-248,998.44

Finding the Fourth Proportional to 817,661.28, 1,226,534.34 and 248,998.44

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Solution

The fourth proportional to 817,661.28, 1,226,534.34 and 248,998.44 is: 373,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,661.28 : 1,226,534.34 = 248,998.44 : x
  2. Step 2: Convert to fraction form
    817,661.28/1,226,534.34 = 248,998.44/x
  3. Step 3: Cross multiply
    817,661.28x = 1,226,534.34 × 248,998.44
  4. Step 4: Simplify right side
    817,661.28x = 305,405,137,266.43
  5. Step 5: Solve for x
    x = 305,405,137,266.43/817,661.28
  6. Step 6: Final answer
    x = 373,510.58

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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.