Home / 666,199.23-999,679.75-281,917.82

Finding the Fourth Proportional to 666,199.23, 999,679.75 and 281,917.82

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Solution

The fourth proportional to 666,199.23, 999,679.75 and 281,917.82 is: 423,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,199.23 : 999,679.75 = 281,917.82 : x
  2. Step 2: Convert to fraction form
    666,199.23/999,679.75 = 281,917.82/x
  3. Step 3: Cross multiply
    666,199.23x = 999,679.75 × 281,917.82
  4. Step 4: Simplify right side
    666,199.23x = 281,827,532,782.25
  5. Step 5: Solve for x
    x = 281,827,532,782.25/666,199.23
  6. Step 6: Final answer
    x = 423,037.91

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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.