Home / 668,870.28-1,003,179.33-189,094.28

Finding the Fourth Proportional to 668,870.28, 1,003,179.33 and 189,094.28

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Solution

The fourth proportional to 668,870.28, 1,003,179.33 and 189,094.28 is: 283,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,870.28 : 1,003,179.33 = 189,094.28 : x
  2. Step 2: Convert to fraction form
    668,870.28/1,003,179.33 = 189,094.28/x
  3. Step 3: Cross multiply
    668,870.28x = 1,003,179.33 × 189,094.28
  4. Step 4: Simplify right side
    668,870.28x = 189,695,469,777.98
  5. Step 5: Solve for x
    x = 189,695,469,777.98/668,870.28
  6. Step 6: Final answer
    x = 283,605.77

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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.