Home / 488,424.66-674,355.17-304,942.86

Finding the Fourth Proportional to 488,424.66, 674,355.17 and 304,942.86

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Solution

The fourth proportional to 488,424.66, 674,355.17 and 304,942.86 is: 421,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,424.66 : 674,355.17 = 304,942.86 : x
  2. Step 2: Convert to fraction form
    488,424.66/674,355.17 = 304,942.86/x
  3. Step 3: Cross multiply
    488,424.66x = 674,355.17 × 304,942.86
  4. Step 4: Simplify right side
    488,424.66x = 205,639,792,670.87
  5. Step 5: Solve for x
    x = 205,639,792,670.87/488,424.66
  6. Step 6: Final answer
    x = 421,026.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.