Home / 777,664.50-1,073,177.03-419,968.50

Finding the Fourth Proportional to 777,664.50, 1,073,177.03 and 419,968.50

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Solution

The fourth proportional to 777,664.50, 1,073,177.03 and 419,968.50 is: 579,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,664.50 : 1,073,177.03 = 419,968.50 : x
  2. Step 2: Convert to fraction form
    777,664.50/1,073,177.03 = 419,968.50/x
  3. Step 3: Cross multiply
    777,664.50x = 1,073,177.03 × 419,968.50
  4. Step 4: Simplify right side
    777,664.50x = 450,700,545,423.71
  5. Step 5: Solve for x
    x = 450,700,545,423.71/777,664.50
  6. Step 6: Final answer
    x = 579,556.54

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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.