Home / 401,924.81-554,542.61-258,767.73

Finding the Fourth Proportional to 401,924.81, 554,542.61 and 258,767.73

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Solution

The fourth proportional to 401,924.81, 554,542.61 and 258,767.73 is: 357,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,924.81 : 554,542.61 = 258,767.73 : x
  2. Step 2: Convert to fraction form
    401,924.81/554,542.61 = 258,767.73/x
  3. Step 3: Cross multiply
    401,924.81x = 554,542.61 × 258,767.73
  4. Step 4: Simplify right side
    401,924.81x = 143,497,731,084.14
  5. Step 5: Solve for x
    x = 143,497,731,084.14/401,924.81
  6. Step 6: Final answer
    x = 357,026.31

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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.