Home / 651,230.82-976,324.46-309,502.62

Finding the Fourth Proportional to 651,230.82, 976,324.46 and 309,502.62

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Solution

The fourth proportional to 651,230.82, 976,324.46 and 309,502.62 is: 464,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,230.82 : 976,324.46 = 309,502.62 : x
  2. Step 2: Convert to fraction form
    651,230.82/976,324.46 = 309,502.62/x
  3. Step 3: Cross multiply
    651,230.82x = 976,324.46 × 309,502.62
  4. Step 4: Simplify right side
    651,230.82x = 302,174,976,792.57
  5. Step 5: Solve for x
    x = 302,174,976,792.57/651,230.82
  6. Step 6: Final answer
    x = 464,005.95

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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.