Home / 499,334.91-689,032.66-284,462.16

Finding the Fourth Proportional to 499,334.91, 689,032.66 and 284,462.16

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Solution

The fourth proportional to 499,334.91, 689,032.66 and 284,462.16 is: 392,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,334.91 : 689,032.66 = 284,462.16 : x
  2. Step 2: Convert to fraction form
    499,334.91/689,032.66 = 284,462.16/x
  3. Step 3: Cross multiply
    499,334.91x = 689,032.66 × 284,462.16
  4. Step 4: Simplify right side
    499,334.91x = 196,003,718,774.15
  5. Step 5: Solve for x
    x = 196,003,718,774.15/499,334.91
  6. Step 6: Final answer
    x = 392,529.57

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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.