Home / 703,144.35-1,054,742.58-361,496.34

Finding the Fourth Proportional to 703,144.35, 1,054,742.58 and 361,496.34

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Solution

The fourth proportional to 703,144.35, 1,054,742.58 and 361,496.34 is: 542,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,144.35 : 1,054,742.58 = 361,496.34 : x
  2. Step 2: Convert to fraction form
    703,144.35/1,054,742.58 = 361,496.34/x
  3. Step 3: Cross multiply
    703,144.35x = 1,054,742.58 × 361,496.34
  4. Step 4: Simplify right side
    703,144.35x = 381,285,582,312.16
  5. Step 5: Solve for x
    x = 381,285,582,312.16/703,144.35
  6. Step 6: Final answer
    x = 542,257.91

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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.