Home / 873,976.90-1,206,203.08-492,078.10

Finding the Fourth Proportional to 873,976.90, 1,206,203.08 and 492,078.10

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Solution

The fourth proportional to 873,976.90, 1,206,203.08 and 492,078.10 is: 679,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,976.90 : 1,206,203.08 = 492,078.10 : x
  2. Step 2: Convert to fraction form
    873,976.90/1,206,203.08 = 492,078.10/x
  3. Step 3: Cross multiply
    873,976.90x = 1,206,203.08 × 492,078.10
  4. Step 4: Simplify right side
    873,976.90x = 593,546,119,820.55
  5. Step 5: Solve for x
    x = 593,546,119,820.55/873,976.90
  6. Step 6: Final answer
    x = 679,132.50

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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.