Home / 610,643.07-842,788.26-338,798.43

Finding the Fourth Proportional to 610,643.07, 842,788.26 and 338,798.43

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Solution

The fourth proportional to 610,643.07, 842,788.26 and 338,798.43 is: 467,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,643.07 : 842,788.26 = 338,798.43 : x
  2. Step 2: Convert to fraction form
    610,643.07/842,788.26 = 338,798.43/x
  3. Step 3: Cross multiply
    610,643.07x = 842,788.26 × 338,798.43
  4. Step 4: Simplify right side
    610,643.07x = 285,535,339,310.43
  5. Step 5: Solve for x
    x = 285,535,339,310.43/610,643.07
  6. Step 6: Final answer
    x = 467,597.77

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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.