Home / 610,418.24-842,362.08-338,487.20

Finding the Fourth Proportional to 610,418.24, 842,362.08 and 338,487.20

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Solution

The fourth proportional to 610,418.24, 842,362.08 and 338,487.20 is: 467,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,418.24 : 842,362.08 = 338,487.20 : x
  2. Step 2: Convert to fraction form
    610,418.24/842,362.08 = 338,487.20/x
  3. Step 3: Cross multiply
    610,418.24x = 842,362.08 × 338,487.20
  4. Step 4: Simplify right side
    610,418.24x = 285,128,781,845.38
  5. Step 5: Solve for x
    x = 285,128,781,845.38/610,418.24
  6. Step 6: Final answer
    x = 467,103.97

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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.