Home / 716,739.40-1,075,109.10-218,245.96

Finding the Fourth Proportional to 716,739.40, 1,075,109.10 and 218,245.96

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Solution

The fourth proportional to 716,739.40, 1,075,109.10 and 218,245.96 is: 327,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,739.40 : 1,075,109.10 = 218,245.96 : x
  2. Step 2: Convert to fraction form
    716,739.40/1,075,109.10 = 218,245.96/x
  3. Step 3: Cross multiply
    716,739.40x = 1,075,109.10 × 218,245.96
  4. Step 4: Simplify right side
    716,739.40x = 234,638,217,634.24
  5. Step 5: Solve for x
    x = 234,638,217,634.24/716,739.40
  6. Step 6: Final answer
    x = 327,368.94

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Similar ratio
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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.