Home / 785,475.58-1,178,189.88-216,891.22

Finding the Fourth Proportional to 785,475.58, 1,178,189.88 and 216,891.22

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Solution

The fourth proportional to 785,475.58, 1,178,189.88 and 216,891.22 is: 325,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,475.58 : 1,178,189.88 = 216,891.22 : x
  2. Step 2: Convert to fraction form
    785,475.58/1,178,189.88 = 216,891.22/x
  3. Step 3: Cross multiply
    785,475.58x = 1,178,189.88 × 216,891.22
  4. Step 4: Simplify right side
    785,475.58x = 255,539,040,464.85
  5. Step 5: Solve for x
    x = 255,539,040,464.85/785,475.58
  6. Step 6: Final answer
    x = 325,330.34

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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.