Home / 769,301.60-1,154,077.80-236,822.72

Finding the Fourth Proportional to 769,301.60, 1,154,077.80 and 236,822.72

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Solution

The fourth proportional to 769,301.60, 1,154,077.80 and 236,822.72 is: 355,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,301.60 : 1,154,077.80 = 236,822.72 : x
  2. Step 2: Convert to fraction form
    769,301.60/1,154,077.80 = 236,822.72/x
  3. Step 3: Cross multiply
    769,301.60x = 1,154,077.80 × 236,822.72
  4. Step 4: Simplify right side
    769,301.60x = 273,311,843,687.62
  5. Step 5: Solve for x
    x = 273,311,843,687.62/769,301.60
  6. Step 6: Final answer
    x = 355,272.68

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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.