Home / 825,021.18-1,237,532.76-225,987.51

Finding the Fourth Proportional to 825,021.18, 1,237,532.76 and 225,987.51

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Solution

The fourth proportional to 825,021.18, 1,237,532.76 and 225,987.51 is: 338,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,021.18 : 1,237,532.76 = 225,987.51 : x
  2. Step 2: Convert to fraction form
    825,021.18/1,237,532.76 = 225,987.51/x
  3. Step 3: Cross multiply
    825,021.18x = 1,237,532.76 × 225,987.51
  4. Step 4: Simplify right side
    825,021.18x = 279,666,946,975.83
  5. Step 5: Solve for x
    x = 279,666,946,975.83/825,021.18
  6. Step 6: Final answer
    x = 338,981.54

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1.5x scale

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.