Home / 759,286.22-1,047,836.85-419,776.34

Finding the Fourth Proportional to 759,286.22, 1,047,836.85 and 419,776.34

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Solution

The fourth proportional to 759,286.22, 1,047,836.85 and 419,776.34 is: 579,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,286.22 : 1,047,836.85 = 419,776.34 : x
  2. Step 2: Convert to fraction form
    759,286.22/1,047,836.85 = 419,776.34/x
  3. Step 3: Cross multiply
    759,286.22x = 1,047,836.85 × 419,776.34
  4. Step 4: Simplify right side
    759,286.22x = 439,857,112,570.95
  5. Step 5: Solve for x
    x = 439,857,112,570.95/759,286.22
  6. Step 6: Final answer
    x = 579,303.44

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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.