Home / 734,520.90-1,100,917.35-419,276.10

Finding the Fourth Proportional to 734,520.90, 1,100,917.35 and 419,276.10

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Solution

The fourth proportional to 734,520.90, 1,100,917.35 and 419,276.10 is: 628,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,520.90 : 1,100,917.35 = 419,276.10 : x
  2. Step 2: Convert to fraction form
    734,520.90/1,100,917.35 = 419,276.10/x
  3. Step 3: Cross multiply
    734,520.90x = 1,100,917.35 × 419,276.10
  4. Step 4: Simplify right side
    734,520.90x = 461,588,332,930.34
  5. Step 5: Solve for x
    x = 461,588,332,930.34/734,520.90
  6. Step 6: Final answer
    x = 628,420.97

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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.