Home / 699,119.72-1,048,015.17-445,688.94

Finding the Fourth Proportional to 699,119.72, 1,048,015.17 and 445,688.94

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Solution

The fourth proportional to 699,119.72, 1,048,015.17 and 445,688.94 is: 668,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,119.72 : 1,048,015.17 = 445,688.94 : x
  2. Step 2: Convert to fraction form
    699,119.72/1,048,015.17 = 445,688.94/x
  3. Step 3: Cross multiply
    699,119.72x = 1,048,015.17 × 445,688.94
  4. Step 4: Simplify right side
    699,119.72x = 467,088,770,221.22
  5. Step 5: Solve for x
    x = 467,088,770,221.22/699,119.72
  6. Step 6: Final answer
    x = 668,109.85

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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.