Home / 927,978.64-1,391,968.66-254,065.53

Finding the Fourth Proportional to 927,978.64, 1,391,968.66 and 254,065.53

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Solution

The fourth proportional to 927,978.64, 1,391,968.66 and 254,065.53 is: 381,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,978.64 : 1,391,968.66 = 254,065.53 : x
  2. Step 2: Convert to fraction form
    927,978.64/1,391,968.66 = 254,065.53/x
  3. Step 3: Cross multiply
    927,978.64x = 1,391,968.66 × 254,065.53
  4. Step 4: Simplify right side
    927,978.64x = 353,651,247,751.28
  5. Step 5: Solve for x
    x = 353,651,247,751.28/927,978.64
  6. Step 6: Final answer
    x = 381,098.48

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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.