Home / 873,868.56-1,310,811.48-274,816.32

Finding the Fourth Proportional to 873,868.56, 1,310,811.48 and 274,816.32

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Solution

The fourth proportional to 873,868.56, 1,310,811.48 and 274,816.32 is: 412,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,868.56 : 1,310,811.48 = 274,816.32 : x
  2. Step 2: Convert to fraction form
    873,868.56/1,310,811.48 = 274,816.32/x
  3. Step 3: Cross multiply
    873,868.56x = 1,310,811.48 × 274,816.32
  4. Step 4: Simplify right side
    873,868.56x = 360,232,387,147.35
  5. Step 5: Solve for x
    x = 360,232,387,147.35/873,868.56
  6. Step 6: Final answer
    x = 412,227.20

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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.