Home / 825,738.23-1,238,547.21-370,470.44

Finding the Fourth Proportional to 825,738.23, 1,238,547.21 and 370,470.44

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Solution

The fourth proportional to 825,738.23, 1,238,547.21 and 370,470.44 is: 555,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,738.23 : 1,238,547.21 = 370,470.44 : x
  2. Step 2: Convert to fraction form
    825,738.23/1,238,547.21 = 370,470.44/x
  3. Step 3: Cross multiply
    825,738.23x = 1,238,547.21 × 370,470.44
  4. Step 4: Simplify right side
    825,738.23x = 458,845,131,556.58
  5. Step 5: Solve for x
    x = 458,845,131,556.58/825,738.23
  6. Step 6: Final answer
    x = 555,678.68

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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.