Home / 668,497.18-1,002,247.07-402,195.30

Finding the Fourth Proportional to 668,497.18, 1,002,247.07 and 402,195.30

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Solution

The fourth proportional to 668,497.18, 1,002,247.07 and 402,195.30 is: 602,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,497.18 : 1,002,247.07 = 402,195.30 : x
  2. Step 2: Convert to fraction form
    668,497.18/1,002,247.07 = 402,195.30/x
  3. Step 3: Cross multiply
    668,497.18x = 1,002,247.07 × 402,195.30
  4. Step 4: Simplify right side
    668,497.18x = 403,099,060,992.77
  5. Step 5: Solve for x
    x = 403,099,060,992.77/668,497.18
  6. Step 6: Final answer
    x = 602,992.91

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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.