Home / 943,796.40-1,415,629.80-304,090.80

Finding the Fourth Proportional to 943,796.40, 1,415,629.80 and 304,090.80

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Solution

The fourth proportional to 943,796.40, 1,415,629.80 and 304,090.80 is: 456,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,796.40 : 1,415,629.80 = 304,090.80 : x
  2. Step 2: Convert to fraction form
    943,796.40/1,415,629.80 = 304,090.80/x
  3. Step 3: Cross multiply
    943,796.40x = 1,415,629.80 × 304,090.80
  4. Step 4: Simplify right side
    943,796.40x = 430,479,998,385.84
  5. Step 5: Solve for x
    x = 430,479,998,385.84/943,796.40
  6. Step 6: Final answer
    x = 456,115.32

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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.