Home / 756,914.80-1,135,178.64-224,311.48

Finding the Fourth Proportional to 756,914.80, 1,135,178.64 and 224,311.48

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Solution

The fourth proportional to 756,914.80, 1,135,178.64 and 224,311.48 is: 336,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,914.80 : 1,135,178.64 = 224,311.48 : x
  2. Step 2: Convert to fraction form
    756,914.80/1,135,178.64 = 224,311.48/x
  3. Step 3: Cross multiply
    756,914.80x = 1,135,178.64 × 224,311.48
  4. Step 4: Simplify right side
    756,914.80x = 254,633,600,802.79
  5. Step 5: Solve for x
    x = 254,633,600,802.79/756,914.80
  6. Step 6: Final answer
    x = 336,409.86

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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.