Home / 741,391.89-1,111,869.83-314,924.32

Finding the Fourth Proportional to 741,391.89, 1,111,869.83 and 314,924.32

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Solution

The fourth proportional to 741,391.89, 1,111,869.83 and 314,924.32 is: 472,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,391.89 : 1,111,869.83 = 314,924.32 : x
  2. Step 2: Convert to fraction form
    741,391.89/1,111,869.83 = 314,924.32/x
  3. Step 3: Cross multiply
    741,391.89x = 1,111,869.83 × 314,924.32
  4. Step 4: Simplify right side
    741,391.89x = 350,154,848,566.64
  5. Step 5: Solve for x
    x = 350,154,848,566.64/741,391.89
  6. Step 6: Final answer
    x = 472,293.88

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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.