Home / 840,023.83-1,260,033.35-208,937.64

Finding the Fourth Proportional to 840,023.83, 1,260,033.35 and 208,937.64

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Solution

The fourth proportional to 840,023.83, 1,260,033.35 and 208,937.64 is: 313,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,023.83 : 1,260,033.35 = 208,937.64 : x
  2. Step 2: Convert to fraction form
    840,023.83/1,260,033.35 = 208,937.64/x
  3. Step 3: Cross multiply
    840,023.83x = 1,260,033.35 × 208,937.64
  4. Step 4: Simplify right side
    840,023.83x = 263,268,393,425.61
  5. Step 5: Solve for x
    x = 263,268,393,425.61/840,023.83
  6. Step 6: Final answer
    x = 313,405.86

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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.