Home / 830,549.85-1,245,928.74-325,045.56

Finding the Fourth Proportional to 830,549.85, 1,245,928.74 and 325,045.56

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Solution

The fourth proportional to 830,549.85, 1,245,928.74 and 325,045.56 is: 487,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,549.85 : 1,245,928.74 = 325,045.56 : x
  2. Step 2: Convert to fraction form
    830,549.85/1,245,928.74 = 325,045.56/x
  3. Step 3: Cross multiply
    830,549.85x = 1,245,928.74 × 325,045.56
  4. Step 4: Simplify right side
    830,549.85x = 404,983,601,458.36
  5. Step 5: Solve for x
    x = 404,983,601,458.36/830,549.85
  6. Step 6: Final answer
    x = 487,609.02

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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.