Home / 756,819.42-1,135,339.29-224,271.42

Finding the Fourth Proportional to 756,819.42, 1,135,339.29 and 224,271.42

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Solution

The fourth proportional to 756,819.42, 1,135,339.29 and 224,271.42 is: 336,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,819.42 : 1,135,339.29 = 224,271.42 : x
  2. Step 2: Convert to fraction form
    756,819.42/1,135,339.29 = 224,271.42/x
  3. Step 3: Cross multiply
    756,819.42x = 1,135,339.29 × 224,271.42
  4. Step 4: Simplify right side
    756,819.42x = 254,624,154,750.09
  5. Step 5: Solve for x
    x = 254,624,154,750.09/756,819.42
  6. Step 6: Final answer
    x = 336,439.77

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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.