Home / 769,605.60-1,154,408.40-270,904.80

Finding the Fourth Proportional to 769,605.60, 1,154,408.40 and 270,904.80

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Solution

The fourth proportional to 769,605.60, 1,154,408.40 and 270,904.80 is: 406,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,605.60 : 1,154,408.40 = 270,904.80 : x
  2. Step 2: Convert to fraction form
    769,605.60/1,154,408.40 = 270,904.80/x
  3. Step 3: Cross multiply
    769,605.60x = 1,154,408.40 × 270,904.80
  4. Step 4: Simplify right side
    769,605.60x = 312,734,776,720.32
  5. Step 5: Solve for x
    x = 312,734,776,720.32/769,605.60
  6. Step 6: Final answer
    x = 406,357.20

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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.