Home / 668,292.53-1,002,586.41-331,516.40

Finding the Fourth Proportional to 668,292.53, 1,002,586.41 and 331,516.40

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Solution

The fourth proportional to 668,292.53, 1,002,586.41 and 331,516.40 is: 497,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,292.53 : 1,002,586.41 = 331,516.40 : x
  2. Step 2: Convert to fraction form
    668,292.53/1,002,586.41 = 331,516.40/x
  3. Step 3: Cross multiply
    668,292.53x = 1,002,586.41 × 331,516.40
  4. Step 4: Simplify right side
    668,292.53x = 332,373,832,319.19
  5. Step 5: Solve for x
    x = 332,373,832,319.19/668,292.53
  6. Step 6: Final answer
    x = 497,347.82

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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.