Home / 923,268-1,385,081.55-354,607.50

Finding the Fourth Proportional to 923,268, 1,385,081.55 and 354,607.50

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Solution

The fourth proportional to 923,268, 1,385,081.55 and 354,607.50 is: 531,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,268 : 1,385,081.55 = 354,607.50 : x
  2. Step 2: Convert to fraction form
    923,268/1,385,081.55 = 354,607.50/x
  3. Step 3: Cross multiply
    923,268x = 1,385,081.55 × 354,607.50
  4. Step 4: Simplify right side
    923,268x = 491,160,305,741.63
  5. Step 5: Solve for x
    x = 491,160,305,741.63/923,268
  6. Step 6: Final answer
    x = 531,980.21

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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.