Home / 754,816.92-1,131,401.76-370,830.06

Finding the Fourth Proportional to 754,816.92, 1,131,401.76 and 370,830.06

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Solution

The fourth proportional to 754,816.92, 1,131,401.76 and 370,830.06 is: 555,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,816.92 : 1,131,401.76 = 370,830.06 : x
  2. Step 2: Convert to fraction form
    754,816.92/1,131,401.76 = 370,830.06/x
  3. Step 3: Cross multiply
    754,816.92x = 1,131,401.76 × 370,830.06
  4. Step 4: Simplify right side
    754,816.92x = 419,557,782,544.91
  5. Step 5: Solve for x
    x = 419,557,782,544.91/754,816.92
  6. Step 6: Final answer
    x = 555,840.46

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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.