Home / 863,093.88-1,191,072.34-470,623.96

Finding the Fourth Proportional to 863,093.88, 1,191,072.34 and 470,623.96

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Solution

The fourth proportional to 863,093.88, 1,191,072.34 and 470,623.96 is: 649,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,093.88 : 1,191,072.34 = 470,623.96 : x
  2. Step 2: Convert to fraction form
    863,093.88/1,191,072.34 = 470,623.96/x
  3. Step 3: Cross multiply
    863,093.88x = 1,191,072.34 × 470,623.96
  4. Step 4: Simplify right side
    863,093.88x = 560,547,181,297.27
  5. Step 5: Solve for x
    x = 560,547,181,297.27/863,093.88
  6. Step 6: Final answer
    x = 649,462.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.