Home / 830,629.27-1,246,047.72-325,125.01

Finding the Fourth Proportional to 830,629.27, 1,246,047.72 and 325,125.01

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Solution

The fourth proportional to 830,629.27, 1,246,047.72 and 325,125.01 is: 487,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,629.27 : 1,246,047.72 = 325,125.01 : x
  2. Step 2: Convert to fraction form
    830,629.27/1,246,047.72 = 325,125.01/x
  3. Step 3: Cross multiply
    830,629.27x = 1,246,047.72 × 325,125.01
  4. Step 4: Simplify right side
    830,629.27x = 405,121,277,425.48
  5. Step 5: Solve for x
    x = 405,121,277,425.48/830,629.27
  6. Step 6: Final answer
    x = 487,728.15

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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.