Home / 693,059.09-1,039,587.98-260,857.26

Finding the Fourth Proportional to 693,059.09, 1,039,587.98 and 260,857.26

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Solution

The fourth proportional to 693,059.09, 1,039,587.98 and 260,857.26 is: 391,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,059.09 : 1,039,587.98 = 260,857.26 : x
  2. Step 2: Convert to fraction form
    693,059.09/1,039,587.98 = 260,857.26/x
  3. Step 3: Cross multiply
    693,059.09x = 1,039,587.98 × 260,857.26
  4. Step 4: Simplify right side
    693,059.09x = 271,184,071,991.74
  5. Step 5: Solve for x
    x = 271,184,071,991.74/693,059.09
  6. Step 6: Final answer
    x = 391,285.64

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Similar ratio
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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.