Home / 818,208.54-1,129,476.15-550,092.06

Finding the Fourth Proportional to 818,208.54, 1,129,476.15 and 550,092.06

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Solution

The fourth proportional to 818,208.54, 1,129,476.15 and 550,092.06 is: 759,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,208.54 : 1,129,476.15 = 550,092.06 : x
  2. Step 2: Convert to fraction form
    818,208.54/1,129,476.15 = 550,092.06/x
  3. Step 3: Cross multiply
    818,208.54x = 1,129,476.15 × 550,092.06
  4. Step 4: Simplify right side
    818,208.54x = 621,315,862,074.37
  5. Step 5: Solve for x
    x = 621,315,862,074.37/818,208.54
  6. Step 6: Final answer
    x = 759,361.25

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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.