Home / 762,505.14-1,143,765.90-230,030.78

Finding the Fourth Proportional to 762,505.14, 1,143,765.90 and 230,030.78

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Solution

The fourth proportional to 762,505.14, 1,143,765.90 and 230,030.78 is: 345,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,505.14 : 1,143,765.90 = 230,030.78 : x
  2. Step 2: Convert to fraction form
    762,505.14/1,143,765.90 = 230,030.78/x
  3. Step 3: Cross multiply
    762,505.14x = 1,143,765.90 × 230,030.78
  4. Step 4: Simplify right side
    762,505.14x = 263,101,362,114.40
  5. Step 5: Solve for x
    x = 263,101,362,114.40/762,505.14
  6. Step 6: Final answer
    x = 345,048.64

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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.