Home / 668,342.55-1,002,638.62-303,629.76

Finding the Fourth Proportional to 668,342.55, 1,002,638.62 and 303,629.76

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Solution

The fourth proportional to 668,342.55, 1,002,638.62 and 303,629.76 is: 455,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,342.55 : 1,002,638.62 = 303,629.76 : x
  2. Step 2: Convert to fraction form
    668,342.55/1,002,638.62 = 303,629.76/x
  3. Step 3: Cross multiply
    668,342.55x = 1,002,638.62 × 303,629.76
  4. Step 4: Simplify right side
    668,342.55x = 304,430,925,123.35
  5. Step 5: Solve for x
    x = 304,430,925,123.35/668,342.55
  6. Step 6: Final answer
    x = 455,501.34

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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.