Home / 754,574.60-1,131,738.86-221,971.07

Finding the Fourth Proportional to 754,574.60, 1,131,738.86 and 221,971.07

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Solution

The fourth proportional to 754,574.60, 1,131,738.86 and 221,971.07 is: 332,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,574.60 : 1,131,738.86 = 221,971.07 : x
  2. Step 2: Convert to fraction form
    754,574.60/1,131,738.86 = 221,971.07/x
  3. Step 3: Cross multiply
    754,574.60x = 1,131,738.86 × 221,971.07
  4. Step 4: Simplify right side
    754,574.60x = 251,213,278,946.23
  5. Step 5: Solve for x
    x = 251,213,278,946.23/754,574.60
  6. Step 6: Final answer
    x = 332,920.40

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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.