Home / 777,128.58-1,165,590.81-244,652.40

Finding the Fourth Proportional to 777,128.58, 1,165,590.81 and 244,652.40

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Solution

The fourth proportional to 777,128.58, 1,165,590.81 and 244,652.40 is: 366,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,128.58 : 1,165,590.81 = 244,652.40 : x
  2. Step 2: Convert to fraction form
    777,128.58/1,165,590.81 = 244,652.40/x
  3. Step 3: Cross multiply
    777,128.58x = 1,165,590.81 × 244,652.40
  4. Step 4: Simplify right side
    777,128.58x = 285,164,589,084.44
  5. Step 5: Solve for x
    x = 285,164,589,084.44/777,128.58
  6. Step 6: Final answer
    x = 366,946.47

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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.