Home / 869,568.49-1,304,442.21-300,948.60

Finding the Fourth Proportional to 869,568.49, 1,304,442.21 and 300,948.60

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Solution

The fourth proportional to 869,568.49, 1,304,442.21 and 300,948.60 is: 451,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,568.49 : 1,304,442.21 = 300,948.60 : x
  2. Step 2: Convert to fraction form
    869,568.49/1,304,442.21 = 300,948.60/x
  3. Step 3: Cross multiply
    869,568.49x = 1,304,442.21 × 300,948.60
  4. Step 4: Simplify right side
    869,568.49x = 392,570,056,880.41
  5. Step 5: Solve for x
    x = 392,570,056,880.41/869,568.49
  6. Step 6: Final answer
    x = 451,453.87

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1.5x scale

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.