Home / 659,983.24-910,645.13-401,687.18

Finding the Fourth Proportional to 659,983.24, 910,645.13 and 401,687.18

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Solution

The fourth proportional to 659,983.24, 910,645.13 and 401,687.18 is: 554,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,983.24 : 910,645.13 = 401,687.18 : x
  2. Step 2: Convert to fraction form
    659,983.24/910,645.13 = 401,687.18/x
  3. Step 3: Cross multiply
    659,983.24x = 910,645.13 × 401,687.18
  4. Step 4: Simplify right side
    659,983.24x = 365,794,470,701.43
  5. Step 5: Solve for x
    x = 365,794,470,701.43/659,983.24
  6. Step 6: Final answer
    x = 554,248.12

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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.