Home / 684,873.60-1,027,387.20-211,555.20

Finding the Fourth Proportional to 684,873.60, 1,027,387.20 and 211,555.20

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Solution

The fourth proportional to 684,873.60, 1,027,387.20 and 211,555.20 is: 317,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,873.60 : 1,027,387.20 = 211,555.20 : x
  2. Step 2: Convert to fraction form
    684,873.60/1,027,387.20 = 211,555.20/x
  3. Step 3: Cross multiply
    684,873.60x = 1,027,387.20 × 211,555.20
  4. Step 4: Simplify right side
    684,873.60x = 217,349,104,573.44
  5. Step 5: Solve for x
    x = 217,349,104,573.44/684,873.60
  6. Step 6: Final answer
    x = 317,356.52

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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.