Home / 931,659.21-1,285,735.32-523,889.42

Finding the Fourth Proportional to 931,659.21, 1,285,735.32 and 523,889.42

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Solution

The fourth proportional to 931,659.21, 1,285,735.32 and 523,889.42 is: 722,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,659.21 : 1,285,735.32 = 523,889.42 : x
  2. Step 2: Convert to fraction form
    931,659.21/1,285,735.32 = 523,889.42/x
  3. Step 3: Cross multiply
    931,659.21x = 1,285,735.32 × 523,889.42
  4. Step 4: Simplify right side
    931,659.21x = 673,583,124,639.64
  5. Step 5: Solve for x
    x = 673,583,124,639.64/931,659.21
  6. Step 6: Final answer
    x = 722,993.04

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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.