Home / 862,702.86-1,294,054.29-263,665.74

Finding the Fourth Proportional to 862,702.86, 1,294,054.29 and 263,665.74

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Solution

The fourth proportional to 862,702.86, 1,294,054.29 and 263,665.74 is: 395,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,702.86 : 1,294,054.29 = 263,665.74 : x
  2. Step 2: Convert to fraction form
    862,702.86/1,294,054.29 = 263,665.74/x
  3. Step 3: Cross multiply
    862,702.86x = 1,294,054.29 × 263,665.74
  4. Step 4: Simplify right side
    862,702.86x = 341,197,781,973.03
  5. Step 5: Solve for x
    x = 341,197,781,973.03/862,702.86
  6. Step 6: Final answer
    x = 395,498.61

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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.