Home / 610,265.13-842,215.77-338,418.30

Finding the Fourth Proportional to 610,265.13, 842,215.77 and 338,418.30

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Solution

The fourth proportional to 610,265.13, 842,215.77 and 338,418.30 is: 467,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,265.13 : 842,215.77 = 338,418.30 : x
  2. Step 2: Convert to fraction form
    610,265.13/842,215.77 = 338,418.30/x
  3. Step 3: Cross multiply
    610,265.13x = 842,215.77 × 338,418.30
  4. Step 4: Simplify right side
    610,265.13x = 285,021,229,116.59
  5. Step 5: Solve for x
    x = 285,021,229,116.59/610,265.13
  6. Step 6: Final answer
    x = 467,044.92

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1.5x scale

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.