Home / 931,660.34-1,285,736.88-523,890.54

Finding the Fourth Proportional to 931,660.34, 1,285,736.88 and 523,890.54

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Solution

The fourth proportional to 931,660.34, 1,285,736.88 and 523,890.54 is: 722,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,660.34 : 1,285,736.88 = 523,890.54 : x
  2. Step 2: Convert to fraction form
    931,660.34/1,285,736.88 = 523,890.54/x
  3. Step 3: Cross multiply
    931,660.34x = 1,285,736.88 × 523,890.54
  4. Step 4: Simplify right side
    931,660.34x = 673,585,388,361.12
  5. Step 5: Solve for x
    x = 673,585,388,361.12/931,660.34
  6. Step 6: Final answer
    x = 722,994.60

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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.