Home / 753,398.31-1,130,090.58-303,800.79

Finding the Fourth Proportional to 753,398.31, 1,130,090.58 and 303,800.79

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Solution

The fourth proportional to 753,398.31, 1,130,090.58 and 303,800.79 is: 455,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,398.31 : 1,130,090.58 = 303,800.79 : x
  2. Step 2: Convert to fraction form
    753,398.31/1,130,090.58 = 303,800.79/x
  3. Step 3: Cross multiply
    753,398.31x = 1,130,090.58 × 303,800.79
  4. Step 4: Simplify right side
    753,398.31x = 343,322,410,975.56
  5. Step 5: Solve for x
    x = 343,322,410,975.56/753,398.31
  6. Step 6: Final answer
    x = 455,698.41

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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.