Home / 711,817.72-982,241.58-481,907.32

Finding the Fourth Proportional to 711,817.72, 982,241.58 and 481,907.32

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Solution

The fourth proportional to 711,817.72, 982,241.58 and 481,907.32 is: 664,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,817.72 : 982,241.58 = 481,907.32 : x
  2. Step 2: Convert to fraction form
    711,817.72/982,241.58 = 481,907.32/x
  3. Step 3: Cross multiply
    711,817.72x = 982,241.58 × 481,907.32
  4. Step 4: Simplify right side
    711,817.72x = 473,349,407,410.37
  5. Step 5: Solve for x
    x = 473,349,407,410.37/711,817.72
  6. Step 6: Final answer
    x = 664,986.83

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Double scale
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1.5x scale

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.