Home / 571,736.72-858,119.16-305,724.62

Finding the Fourth Proportional to 571,736.72, 858,119.16 and 305,724.62

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Solution

The fourth proportional to 571,736.72, 858,119.16 and 305,724.62 is: 458,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,736.72 : 858,119.16 = 305,724.62 : x
  2. Step 2: Convert to fraction form
    571,736.72/858,119.16 = 305,724.62/x
  3. Step 3: Cross multiply
    571,736.72x = 858,119.16 × 305,724.62
  4. Step 4: Simplify right side
    571,736.72x = 262,348,154,105.72
  5. Step 5: Solve for x
    x = 262,348,154,105.72/571,736.72
  6. Step 6: Final answer
    x = 458,861.82

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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.