Home / 677,834.21-1,015,795.56-374,365.17

Finding the Fourth Proportional to 677,834.21, 1,015,795.56 and 374,365.17

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Solution

The fourth proportional to 677,834.21, 1,015,795.56 and 374,365.17 is: 561,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,834.21 : 1,015,795.56 = 374,365.17 : x
  2. Step 2: Convert to fraction form
    677,834.21/1,015,795.56 = 374,365.17/x
  3. Step 3: Cross multiply
    677,834.21x = 1,015,795.56 × 374,365.17
  4. Step 4: Simplify right side
    677,834.21x = 380,278,480,611.94
  5. Step 5: Solve for x
    x = 380,278,480,611.94/677,834.21
  6. Step 6: Final answer
    x = 561,019.90

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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.