Home / 499,331.16-689,027.49-284,458.41

Finding the Fourth Proportional to 499,331.16, 689,027.49 and 284,458.41

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Solution

The fourth proportional to 499,331.16, 689,027.49 and 284,458.41 is: 392,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,331.16 : 689,027.49 = 284,458.41 : x
  2. Step 2: Convert to fraction form
    499,331.16/689,027.49 = 284,458.41/x
  3. Step 3: Cross multiply
    499,331.16x = 689,027.49 × 284,458.41
  4. Step 4: Simplify right side
    499,331.16x = 195,999,664,251.69
  5. Step 5: Solve for x
    x = 195,999,664,251.69/499,331.16
  6. Step 6: Final answer
    x = 392,524.40

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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.