Home / 613,015.01-845,947.44-354,902.84

Finding the Fourth Proportional to 613,015.01, 845,947.44 and 354,902.84

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Solution

The fourth proportional to 613,015.01, 845,947.44 and 354,902.84 is: 489,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,015.01 : 845,947.44 = 354,902.84 : x
  2. Step 2: Convert to fraction form
    613,015.01/845,947.44 = 354,902.84/x
  3. Step 3: Cross multiply
    613,015.01x = 845,947.44 × 354,902.84
  4. Step 4: Simplify right side
    613,015.01x = 300,229,144,716.99
  5. Step 5: Solve for x
    x = 300,229,144,716.99/613,015.01
  6. Step 6: Final answer
    x = 489,758.23

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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.