Home / 842,881.66-1,264,058.61-281,784.94

Finding the Fourth Proportional to 842,881.66, 1,264,058.61 and 281,784.94

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Solution

The fourth proportional to 842,881.66, 1,264,058.61 and 281,784.94 is: 422,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,881.66 : 1,264,058.61 = 281,784.94 : x
  2. Step 2: Convert to fraction form
    842,881.66/1,264,058.61 = 281,784.94/x
  3. Step 3: Cross multiply
    842,881.66x = 1,264,058.61 × 281,784.94
  4. Step 4: Simplify right side
    842,881.66x = 356,192,679,575.33
  5. Step 5: Solve for x
    x = 356,192,679,575.33/842,881.66
  6. Step 6: Final answer
    x = 422,589.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.