Home / 859,739.40-1,289,607.48-228,653.82

Finding the Fourth Proportional to 859,739.40, 1,289,607.48 and 228,653.82

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Solution

The fourth proportional to 859,739.40, 1,289,607.48 and 228,653.82 is: 342,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,739.40 : 1,289,607.48 = 228,653.82 : x
  2. Step 2: Convert to fraction form
    859,739.40/1,289,607.48 = 228,653.82/x
  3. Step 3: Cross multiply
    859,739.40x = 1,289,607.48 × 228,653.82
  4. Step 4: Simplify right side
    859,739.40x = 294,873,676,602.57
  5. Step 5: Solve for x
    x = 294,873,676,602.57/859,739.40
  6. Step 6: Final answer
    x = 342,980.30

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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.