Home / 670,035.70-1,005,113.78-190,268.22

Finding the Fourth Proportional to 670,035.70, 1,005,113.78 and 190,268.22

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Solution

The fourth proportional to 670,035.70, 1,005,113.78 and 190,268.22 is: 285,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,035.70 : 1,005,113.78 = 190,268.22 : x
  2. Step 2: Convert to fraction form
    670,035.70/1,005,113.78 = 190,268.22/x
  3. Step 3: Cross multiply
    670,035.70x = 1,005,113.78 × 190,268.22
  4. Step 4: Simplify right side
    670,035.70x = 191,241,204,792.50
  5. Step 5: Solve for x
    x = 191,241,204,792.50/670,035.70
  6. Step 6: Final answer
    x = 285,419.43

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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.