Home / 722,665.60-1,083,718.04-385,522.23

Finding the Fourth Proportional to 722,665.60, 1,083,718.04 and 385,522.23

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Solution

The fourth proportional to 722,665.60, 1,083,718.04 and 385,522.23 is: 578,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,665.60 : 1,083,718.04 = 385,522.23 : x
  2. Step 2: Convert to fraction form
    722,665.60/1,083,718.04 = 385,522.23/x
  3. Step 3: Cross multiply
    722,665.60x = 1,083,718.04 × 385,522.23
  4. Step 4: Simplify right side
    722,665.60x = 417,797,397,608.36
  5. Step 5: Solve for x
    x = 417,797,397,608.36/722,665.60
  6. Step 6: Final answer
    x = 578,133.79

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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.