Home / 685,159.63-1,027,808.09-235,821.04

Finding the Fourth Proportional to 685,159.63, 1,027,808.09 and 235,821.04

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Solution

The fourth proportional to 685,159.63, 1,027,808.09 and 235,821.04 is: 353,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,159.63 : 1,027,808.09 = 235,821.04 : x
  2. Step 2: Convert to fraction form
    685,159.63/1,027,808.09 = 235,821.04/x
  3. Step 3: Cross multiply
    685,159.63x = 1,027,808.09 × 235,821.04
  4. Step 4: Simplify right side
    685,159.63x = 242,378,769,839.92
  5. Step 5: Solve for x
    x = 242,378,769,839.92/685,159.63
  6. Step 6: Final answer
    x = 353,755.18

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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.