Home / 789,531.32-1,184,285.98-190,487.45

Finding the Fourth Proportional to 789,531.32, 1,184,285.98 and 190,487.45

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Solution

The fourth proportional to 789,531.32, 1,184,285.98 and 190,487.45 is: 285,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,531.32 : 1,184,285.98 = 190,487.45 : x
  2. Step 2: Convert to fraction form
    789,531.32/1,184,285.98 = 190,487.45/x
  3. Step 3: Cross multiply
    789,531.32x = 1,184,285.98 × 190,487.45
  4. Step 4: Simplify right side
    789,531.32x = 225,591,619,599.78
  5. Step 5: Solve for x
    x = 225,591,619,599.78/789,531.32
  6. Step 6: Final answer
    x = 285,728.52

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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.