Home / 511,394.35-767,091.44-485,823.54

Finding the Fourth Proportional to 511,394.35, 767,091.44 and 485,823.54

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Solution

The fourth proportional to 511,394.35, 767,091.44 and 485,823.54 is: 728,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,394.35 : 767,091.44 = 485,823.54 : x
  2. Step 2: Convert to fraction form
    511,394.35/767,091.44 = 485,823.54/x
  3. Step 3: Cross multiply
    511,394.35x = 767,091.44 × 485,823.54
  4. Step 4: Simplify right side
    511,394.35x = 372,671,077,925.63
  5. Step 5: Solve for x
    x = 372,671,077,925.63/511,394.35
  6. Step 6: Final answer
    x = 728,735.23

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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.