Home / 685,157.94-1,027,805.56-235,819.35

Finding the Fourth Proportional to 685,157.94, 1,027,805.56 and 235,819.35

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Solution

The fourth proportional to 685,157.94, 1,027,805.56 and 235,819.35 is: 353,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,157.94 : 1,027,805.56 = 235,819.35 : x
  2. Step 2: Convert to fraction form
    685,157.94/1,027,805.56 = 235,819.35/x
  3. Step 3: Cross multiply
    685,157.94x = 1,027,805.56 × 235,819.35
  4. Step 4: Simplify right side
    685,157.94x = 242,376,438,496.04
  5. Step 5: Solve for x
    x = 242,376,438,496.04/685,157.94
  6. Step 6: Final answer
    x = 353,752.65

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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.