Home / 704,859.40-1,057,404.30-231,416.20

Finding the Fourth Proportional to 704,859.40, 1,057,404.30 and 231,416.20

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Solution

The fourth proportional to 704,859.40, 1,057,404.30 and 231,416.20 is: 347,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,859.40 : 1,057,404.30 = 231,416.20 : x
  2. Step 2: Convert to fraction form
    704,859.40/1,057,404.30 = 231,416.20/x
  3. Step 3: Cross multiply
    704,859.40x = 1,057,404.30 × 231,416.20
  4. Step 4: Simplify right side
    704,859.40x = 244,700,484,969.66
  5. Step 5: Solve for x
    x = 244,700,484,969.66/704,859.40
  6. Step 6: Final answer
    x = 347,162.12

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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.