Home / 401,789.52-554,842.98-258,795.36

Finding the Fourth Proportional to 401,789.52, 554,842.98 and 258,795.36

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Solution

The fourth proportional to 401,789.52, 554,842.98 and 258,795.36 is: 357,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,789.52 : 554,842.98 = 258,795.36 : x
  2. Step 2: Convert to fraction form
    401,789.52/554,842.98 = 258,795.36/x
  3. Step 3: Cross multiply
    401,789.52x = 554,842.98 × 258,795.36
  4. Step 4: Simplify right side
    401,789.52x = 143,590,788,752.57
  5. Step 5: Solve for x
    x = 143,590,788,752.57/401,789.52
  6. Step 6: Final answer
    x = 357,378.13

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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.