Home / 762,495.63-1,143,751.65-230,021.27

Finding the Fourth Proportional to 762,495.63, 1,143,751.65 and 230,021.27

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Solution

The fourth proportional to 762,495.63, 1,143,751.65 and 230,021.27 is: 345,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,495.63 : 1,143,751.65 = 230,021.27 : x
  2. Step 2: Convert to fraction form
    762,495.63/1,143,751.65 = 230,021.27/x
  3. Step 3: Cross multiply
    762,495.63x = 1,143,751.65 × 230,021.27
  4. Step 4: Simplify right side
    762,495.63x = 263,087,209,956.98
  5. Step 5: Solve for x
    x = 263,087,209,956.98/762,495.63
  6. Step 6: Final answer
    x = 345,034.38

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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.