Home / 774,188.10-1,160,982.63-300,811.14

Finding the Fourth Proportional to 774,188.10, 1,160,982.63 and 300,811.14

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Solution

The fourth proportional to 774,188.10, 1,160,982.63 and 300,811.14 is: 451,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,188.10 : 1,160,982.63 = 300,811.14 : x
  2. Step 2: Convert to fraction form
    774,188.10/1,160,982.63 = 300,811.14/x
  3. Step 3: Cross multiply
    774,188.10x = 1,160,982.63 × 300,811.14
  4. Step 4: Simplify right side
    774,188.10x = 349,236,508,450.50
  5. Step 5: Solve for x
    x = 349,236,508,450.50/774,188.10
  6. Step 6: Final answer
    x = 451,100.33

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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.