Home / 684,608.64-1,027,011.36-211,334.52

Finding the Fourth Proportional to 684,608.64, 1,027,011.36 and 211,334.52

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Solution

The fourth proportional to 684,608.64, 1,027,011.36 and 211,334.52 is: 317,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,608.64 : 1,027,011.36 = 211,334.52 : x
  2. Step 2: Convert to fraction form
    684,608.64/1,027,011.36 = 211,334.52/x
  3. Step 3: Cross multiply
    684,608.64x = 1,027,011.36 × 211,334.52
  4. Step 4: Simplify right side
    684,608.64x = 217,042,952,800.15
  5. Step 5: Solve for x
    x = 217,042,952,800.15/684,608.64
  6. Step 6: Final answer
    x = 317,032.16

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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.