Home / 751,075.28-1,126,615.08-218,609.36

Finding the Fourth Proportional to 751,075.28, 1,126,615.08 and 218,609.36

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Solution

The fourth proportional to 751,075.28, 1,126,615.08 and 218,609.36 is: 327,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,075.28 : 1,126,615.08 = 218,609.36 : x
  2. Step 2: Convert to fraction form
    751,075.28/1,126,615.08 = 218,609.36/x
  3. Step 3: Cross multiply
    751,075.28x = 1,126,615.08 × 218,609.36
  4. Step 4: Simplify right side
    751,075.28x = 246,288,601,605.15
  5. Step 5: Solve for x
    x = 246,288,601,605.15/751,075.28
  6. Step 6: Final answer
    x = 327,914.67

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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.