Home / 656,742.40-985,113.60-376,028.80

Finding the Fourth Proportional to 656,742.40, 985,113.60 and 376,028.80

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Solution

The fourth proportional to 656,742.40, 985,113.60 and 376,028.80 is: 564,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,742.40 : 985,113.60 = 376,028.80 : x
  2. Step 2: Convert to fraction form
    656,742.40/985,113.60 = 376,028.80/x
  3. Step 3: Cross multiply
    656,742.40x = 985,113.60 × 376,028.80
  4. Step 4: Simplify right side
    656,742.40x = 370,431,084,871.68
  5. Step 5: Solve for x
    x = 370,431,084,871.68/656,742.40
  6. Step 6: Final answer
    x = 564,043.20

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Similar ratio
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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.