Home / 751,567.70-1,127,351.55-494,704.55

Finding the Fourth Proportional to 751,567.70, 1,127,351.55 and 494,704.55

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Solution

The fourth proportional to 751,567.70, 1,127,351.55 and 494,704.55 is: 742,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,567.70 : 1,127,351.55 = 494,704.55 : x
  2. Step 2: Convert to fraction form
    751,567.70/1,127,351.55 = 494,704.55/x
  3. Step 3: Cross multiply
    751,567.70x = 1,127,351.55 × 494,704.55
  4. Step 4: Simplify right side
    751,567.70x = 557,705,941,234.55
  5. Step 5: Solve for x
    x = 557,705,941,234.55/751,567.70
  6. Step 6: Final answer
    x = 742,056.83

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Double scale
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Similar ratio
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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.