Home / 779,605.75-1,169,408.67-188,629.75

Finding the Fourth Proportional to 779,605.75, 1,169,408.67 and 188,629.75

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Solution

The fourth proportional to 779,605.75, 1,169,408.67 and 188,629.75 is: 282,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,605.75 : 1,169,408.67 = 188,629.75 : x
  2. Step 2: Convert to fraction form
    779,605.75/1,169,408.67 = 188,629.75/x
  3. Step 3: Cross multiply
    779,605.75x = 1,169,408.67 × 188,629.75
  4. Step 4: Simplify right side
    779,605.75x = 220,585,265,069.93
  5. Step 5: Solve for x
    x = 220,585,265,069.93/779,605.75
  6. Step 6: Final answer
    x = 282,944.64

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1.5x scale

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.