Home / 842,304.28-1,263,096.78-487,563.16

Finding the Fourth Proportional to 842,304.28, 1,263,096.78 and 487,563.16

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Solution

The fourth proportional to 842,304.28, 1,263,096.78 and 487,563.16 is: 731,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,304.28 : 1,263,096.78 = 487,563.16 : x
  2. Step 2: Convert to fraction form
    842,304.28/1,263,096.78 = 487,563.16/x
  3. Step 3: Cross multiply
    842,304.28x = 1,263,096.78 × 487,563.16
  4. Step 4: Simplify right side
    842,304.28x = 615,839,457,442.63
  5. Step 5: Solve for x
    x = 615,839,457,442.63/842,304.28
  6. Step 6: Final answer
    x = 731,136.56

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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.