Home / 591,744.96-815,782.32-410,145.12

Finding the Fourth Proportional to 591,744.96, 815,782.32 and 410,145.12

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Solution

The fourth proportional to 591,744.96, 815,782.32 and 410,145.12 is: 565,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,744.96 : 815,782.32 = 410,145.12 : x
  2. Step 2: Convert to fraction form
    591,744.96/815,782.32 = 410,145.12/x
  3. Step 3: Cross multiply
    591,744.96x = 815,782.32 × 410,145.12
  4. Step 4: Simplify right side
    591,744.96x = 334,589,137,530.28
  5. Step 5: Solve for x
    x = 334,589,137,530.28/591,744.96
  6. Step 6: Final answer
    x = 565,427.95

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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.