Home / 859,551.20-1,289,326.80-228,528.80

Finding the Fourth Proportional to 859,551.20, 1,289,326.80 and 228,528.80

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Solution

The fourth proportional to 859,551.20, 1,289,326.80 and 228,528.80 is: 342,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,551.20 : 1,289,326.80 = 228,528.80 : x
  2. Step 2: Convert to fraction form
    859,551.20/1,289,326.80 = 228,528.80/x
  3. Step 3: Cross multiply
    859,551.20x = 1,289,326.80 × 228,528.80
  4. Step 4: Simplify right side
    859,551.20x = 294,648,306,411.84
  5. Step 5: Solve for x
    x = 294,648,306,411.84/859,551.20
  6. Step 6: Final answer
    x = 342,793.20

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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.