Home / 612,292.78-844,982.31-370,619.56

Finding the Fourth Proportional to 612,292.78, 844,982.31 and 370,619.56

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Solution

The fourth proportional to 612,292.78, 844,982.31 and 370,619.56 is: 511,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,292.78 : 844,982.31 = 370,619.56 : x
  2. Step 2: Convert to fraction form
    612,292.78/844,982.31 = 370,619.56/x
  3. Step 3: Cross multiply
    612,292.78x = 844,982.31 × 370,619.56
  4. Step 4: Simplify right side
    612,292.78x = 313,166,971,939.98
  5. Step 5: Solve for x
    x = 313,166,971,939.98/612,292.78
  6. Step 6: Final answer
    x = 511,466.05

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1.5x scale

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.