Home / 928,268.61-1,391,325.36-351,525.28

Finding the Fourth Proportional to 928,268.61, 1,391,325.36 and 351,525.28

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Solution

The fourth proportional to 928,268.61, 1,391,325.36 and 351,525.28 is: 526,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,268.61 : 1,391,325.36 = 351,525.28 : x
  2. Step 2: Convert to fraction form
    928,268.61/1,391,325.36 = 351,525.28/x
  3. Step 3: Cross multiply
    928,268.61x = 1,391,325.36 × 351,525.28
  4. Step 4: Simplify right side
    928,268.61x = 489,086,034,987.47
  5. Step 5: Solve for x
    x = 489,086,034,987.47/928,268.61
  6. Step 6: Final answer
    x = 526,879.86

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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.