Home / 763,532.80-1,145,007.60-230,876.80

Finding the Fourth Proportional to 763,532.80, 1,145,007.60 and 230,876.80

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Solution

The fourth proportional to 763,532.80, 1,145,007.60 and 230,876.80 is: 346,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,532.80 : 1,145,007.60 = 230,876.80 : x
  2. Step 2: Convert to fraction form
    763,532.80/1,145,007.60 = 230,876.80/x
  3. Step 3: Cross multiply
    763,532.80x = 1,145,007.60 × 230,876.80
  4. Step 4: Simplify right side
    763,532.80x = 264,355,690,663.68
  5. Step 5: Solve for x
    x = 264,355,690,663.68/763,532.80
  6. Step 6: Final answer
    x = 346,227.03

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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.