Home / 685,036.65-1,027,783.18-229,672.95

Finding the Fourth Proportional to 685,036.65, 1,027,783.18 and 229,672.95

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Solution

The fourth proportional to 685,036.65, 1,027,783.18 and 229,672.95 is: 344,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,036.65 : 1,027,783.18 = 229,672.95 : x
  2. Step 2: Convert to fraction form
    685,036.65/1,027,783.18 = 229,672.95/x
  3. Step 3: Cross multiply
    685,036.65x = 1,027,783.18 × 229,672.95
  4. Step 4: Simplify right side
    685,036.65x = 236,053,990,346.25
  5. Step 5: Solve for x
    x = 236,053,990,346.25/685,036.65
  6. Step 6: Final answer
    x = 344,585.93

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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.