Home / 816,218.50-1,223,626.54-283,670.34

Finding the Fourth Proportional to 816,218.50, 1,223,626.54 and 283,670.34

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Solution

The fourth proportional to 816,218.50, 1,223,626.54 and 283,670.34 is: 425,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,218.50 : 1,223,626.54 = 283,670.34 : x
  2. Step 2: Convert to fraction form
    816,218.50/1,223,626.54 = 283,670.34/x
  3. Step 3: Cross multiply
    816,218.50x = 1,223,626.54 × 283,670.34
  4. Step 4: Simplify right side
    816,218.50x = 347,106,556,634.82
  5. Step 5: Solve for x
    x = 347,106,556,634.82/816,218.50
  6. Step 6: Final answer
    x = 425,261.81

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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.