Home / 684,662.40-1,027,087.04-285,209.75

Finding the Fourth Proportional to 684,662.40, 1,027,087.04 and 285,209.75

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Solution

The fourth proportional to 684,662.40, 1,027,087.04 and 285,209.75 is: 427,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,662.40 : 1,027,087.04 = 285,209.75 : x
  2. Step 2: Convert to fraction form
    684,662.40/1,027,087.04 = 285,209.75/x
  3. Step 3: Cross multiply
    684,662.40x = 1,027,087.04 × 285,209.75
  4. Step 4: Simplify right side
    684,662.40x = 292,935,239,048.31
  5. Step 5: Solve for x
    x = 292,935,239,048.31/684,662.40
  6. Step 6: Final answer
    x = 427,853.55

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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.