Home / 750,106.74-1,035,150.60-405,942.73

Finding the Fourth Proportional to 750,106.74, 1,035,150.60 and 405,942.73

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Solution

The fourth proportional to 750,106.74, 1,035,150.60 and 405,942.73 is: 560,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,106.74 : 1,035,150.60 = 405,942.73 : x
  2. Step 2: Convert to fraction form
    750,106.74/1,035,150.60 = 405,942.73/x
  3. Step 3: Cross multiply
    750,106.74x = 1,035,150.60 × 405,942.73
  4. Step 4: Simplify right side
    750,106.74x = 420,211,859,459.55
  5. Step 5: Solve for x
    x = 420,211,859,459.55/750,106.74
  6. Step 6: Final answer
    x = 560,202.75

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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.