Home / 668,859.05-1,003,392.93-219,477.63

Finding the Fourth Proportional to 668,859.05, 1,003,392.93 and 219,477.63

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Solution

The fourth proportional to 668,859.05, 1,003,392.93 and 219,477.63 is: 329,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,859.05 : 1,003,392.93 = 219,477.63 : x
  2. Step 2: Convert to fraction form
    668,859.05/1,003,392.93 = 219,477.63/x
  3. Step 3: Cross multiply
    668,859.05x = 1,003,392.93 × 219,477.63
  4. Step 4: Simplify right side
    668,859.05x = 220,222,306,820.92
  5. Step 5: Solve for x
    x = 220,222,306,820.92/668,859.05
  6. Step 6: Final answer
    x = 329,250.69

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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.