Home / 722,561.80-1,084,457.10-323,816.20

Finding the Fourth Proportional to 722,561.80, 1,084,457.10 and 323,816.20

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Solution

The fourth proportional to 722,561.80, 1,084,457.10 and 323,816.20 is: 485,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,561.80 : 1,084,457.10 = 323,816.20 : x
  2. Step 2: Convert to fraction form
    722,561.80/1,084,457.10 = 323,816.20/x
  3. Step 3: Cross multiply
    722,561.80x = 1,084,457.10 × 323,816.20
  4. Step 4: Simplify right side
    722,561.80x = 351,164,777,185.02
  5. Step 5: Solve for x
    x = 351,164,777,185.02/722,561.80
  6. Step 6: Final answer
    x = 485,999.64

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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.