Home / 704,846.40-1,057,384.80-231,403.20

Finding the Fourth Proportional to 704,846.40, 1,057,384.80 and 231,403.20

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Solution

The fourth proportional to 704,846.40, 1,057,384.80 and 231,403.20 is: 347,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,846.40 : 1,057,384.80 = 231,403.20 : x
  2. Step 2: Convert to fraction form
    704,846.40/1,057,384.80 = 231,403.20/x
  3. Step 3: Cross multiply
    704,846.40x = 1,057,384.80 × 231,403.20
  4. Step 4: Simplify right side
    704,846.40x = 244,682,226,351.36
  5. Step 5: Solve for x
    x = 244,682,226,351.36/704,846.40
  6. Step 6: Final answer
    x = 347,142.62

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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.