Home / 703,178.91-1,054,343.12-276,203.61

Finding the Fourth Proportional to 703,178.91, 1,054,343.12 and 276,203.61

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Solution

The fourth proportional to 703,178.91, 1,054,343.12 and 276,203.61 is: 414,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,178.91 : 1,054,343.12 = 276,203.61 : x
  2. Step 2: Convert to fraction form
    703,178.91/1,054,343.12 = 276,203.61/x
  3. Step 3: Cross multiply
    703,178.91x = 1,054,343.12 × 276,203.61
  4. Step 4: Simplify right side
    703,178.91x = 291,213,374,541.65
  5. Step 5: Solve for x
    x = 291,213,374,541.65/703,178.91
  6. Step 6: Final answer
    x = 414,138.38

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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.