Home / 681,644.70-1,022,457.45-307,667.10

Finding the Fourth Proportional to 681,644.70, 1,022,457.45 and 307,667.10

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Solution

The fourth proportional to 681,644.70, 1,022,457.45 and 307,667.10 is: 461,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,644.70 : 1,022,457.45 = 307,667.10 : x
  2. Step 2: Convert to fraction form
    681,644.70/1,022,457.45 = 307,667.10/x
  3. Step 3: Cross multiply
    681,644.70x = 1,022,457.45 × 307,667.10
  4. Step 4: Simplify right side
    681,644.70x = 314,576,518,514.90
  5. Step 5: Solve for x
    x = 314,576,518,514.90/681,644.70
  6. Step 6: Final answer
    x = 461,496.32

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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.