Home / 716,891.60-1,075,337.40-218,190.80

Finding the Fourth Proportional to 716,891.60, 1,075,337.40 and 218,190.80

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Solution

The fourth proportional to 716,891.60, 1,075,337.40 and 218,190.80 is: 327,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,891.60 : 1,075,337.40 = 218,190.80 : x
  2. Step 2: Convert to fraction form
    716,891.60/1,075,337.40 = 218,190.80/x
  3. Step 3: Cross multiply
    716,891.60x = 1,075,337.40 × 218,190.80
  4. Step 4: Simplify right side
    716,891.60x = 234,628,727,575.92
  5. Step 5: Solve for x
    x = 234,628,727,575.92/716,891.60
  6. Step 6: Final answer
    x = 327,286.20

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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.