Home / 901,779.12-1,352,690.55-302,759.82

Finding the Fourth Proportional to 901,779.12, 1,352,690.55 and 302,759.82

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Solution

The fourth proportional to 901,779.12, 1,352,690.55 and 302,759.82 is: 454,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,779.12 : 1,352,690.55 = 302,759.82 : x
  2. Step 2: Convert to fraction form
    901,779.12/1,352,690.55 = 302,759.82/x
  3. Step 3: Cross multiply
    901,779.12x = 1,352,690.55 × 302,759.82
  4. Step 4: Simplify right side
    901,779.12x = 409,540,347,433.70
  5. Step 5: Solve for x
    x = 409,540,347,433.70/901,779.12
  6. Step 6: Final answer
    x = 454,147.07

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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.