Home / 685,106.32-1,027,746.96-264,502.48

Finding the Fourth Proportional to 685,106.32, 1,027,746.96 and 264,502.48

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Solution

The fourth proportional to 685,106.32, 1,027,746.96 and 264,502.48 is: 396,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,106.32 : 1,027,746.96 = 264,502.48 : x
  2. Step 2: Convert to fraction form
    685,106.32/1,027,746.96 = 264,502.48/x
  3. Step 3: Cross multiply
    685,106.32x = 1,027,746.96 × 264,502.48
  4. Step 4: Simplify right side
    685,106.32x = 271,841,619,732.46
  5. Step 5: Solve for x
    x = 271,841,619,732.46/685,106.32
  6. Step 6: Final answer
    x = 396,787.49

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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.