Home / 913,451.56-1,260,524.41-505,515.26

Finding the Fourth Proportional to 913,451.56, 1,260,524.41 and 505,515.26

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Solution

The fourth proportional to 913,451.56, 1,260,524.41 and 505,515.26 is: 697,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,451.56 : 1,260,524.41 = 505,515.26 : x
  2. Step 2: Convert to fraction form
    913,451.56/1,260,524.41 = 505,515.26/x
  3. Step 3: Cross multiply
    913,451.56x = 1,260,524.41 × 505,515.26
  4. Step 4: Simplify right side
    913,451.56x = 637,214,326,745.02
  5. Step 5: Solve for x
    x = 637,214,326,745.02/913,451.56
  6. Step 6: Final answer
    x = 697,589.62

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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.