Home / 759,310.37-1,047,803.31-419,758.37

Finding the Fourth Proportional to 759,310.37, 1,047,803.31 and 419,758.37

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Solution

The fourth proportional to 759,310.37, 1,047,803.31 and 419,758.37 is: 579,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,310.37 : 1,047,803.31 = 419,758.37 : x
  2. Step 2: Convert to fraction form
    759,310.37/1,047,803.31 = 419,758.37/x
  3. Step 3: Cross multiply
    759,310.37x = 1,047,803.31 × 419,758.37
  4. Step 4: Simplify right side
    759,310.37x = 439,824,204,247.19
  5. Step 5: Solve for x
    x = 439,824,204,247.19/759,310.37
  6. Step 6: Final answer
    x = 579,241.67

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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.