Home / 768,438.47-1,152,555.62-228,685.07

Finding the Fourth Proportional to 768,438.47, 1,152,555.62 and 228,685.07

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Solution

The fourth proportional to 768,438.47, 1,152,555.62 and 228,685.07 is: 342,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,438.47 : 1,152,555.62 = 228,685.07 : x
  2. Step 2: Convert to fraction form
    768,438.47/1,152,555.62 = 228,685.07/x
  3. Step 3: Cross multiply
    768,438.47x = 1,152,555.62 × 228,685.07
  4. Step 4: Simplify right side
    768,438.47x = 263,572,255,732.39
  5. Step 5: Solve for x
    x = 263,572,255,732.39/768,438.47
  6. Step 6: Final answer
    x = 342,997.22

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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.