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Finding the Fourth Proportional to 894,999.81, 1,342,498.08 and 264,356.49

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Solution

The fourth proportional to 894,999.81, 1,342,498.08 and 264,356.49 is: 396,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,999.81 : 1,342,498.08 = 264,356.49 : x
  2. Step 2: Convert to fraction form
    894,999.81/1,342,498.08 = 264,356.49/x
  3. Step 3: Cross multiply
    894,999.81x = 1,342,498.08 × 264,356.49
  4. Step 4: Simplify right side
    894,999.81x = 354,898,080,260.54
  5. Step 5: Solve for x
    x = 354,898,080,260.54/894,999.81
  6. Step 6: Final answer
    x = 396,534.25

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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.