Home / 494,764.60-742,171.20-258,568.60

Finding the Fourth Proportional to 494,764.60, 742,171.20 and 258,568.60

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Solution

The fourth proportional to 494,764.60, 742,171.20 and 258,568.60 is: 387,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,764.60 : 742,171.20 = 258,568.60 : x
  2. Step 2: Convert to fraction form
    494,764.60/742,171.20 = 258,568.60/x
  3. Step 3: Cross multiply
    494,764.60x = 742,171.20 × 258,568.60
  4. Step 4: Simplify right side
    494,764.60x = 191,902,168,144.32
  5. Step 5: Solve for x
    x = 191,902,168,144.32/494,764.60
  6. Step 6: Final answer
    x = 387,865.60

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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.