Home / 886,621.93-1,330,119.70-287,536.37

Finding the Fourth Proportional to 886,621.93, 1,330,119.70 and 287,536.37

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Solution

The fourth proportional to 886,621.93, 1,330,119.70 and 287,536.37 is: 431,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,621.93 : 1,330,119.70 = 287,536.37 : x
  2. Step 2: Convert to fraction form
    886,621.93/1,330,119.70 = 287,536.37/x
  3. Step 3: Cross multiply
    886,621.93x = 1,330,119.70 × 287,536.37
  4. Step 4: Simplify right side
    886,621.93x = 382,457,792,809.95
  5. Step 5: Solve for x
    x = 382,457,792,809.95/886,621.93
  6. Step 6: Final answer
    x = 431,365.14

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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.