Home / 851,559.50-1,275,893.27-513,890.63

Finding the Fourth Proportional to 851,559.50, 1,275,893.27 and 513,890.63

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Solution

The fourth proportional to 851,559.50, 1,275,893.27 and 513,890.63 is: 769,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,559.50 : 1,275,893.27 = 513,890.63 : x
  2. Step 2: Convert to fraction form
    851,559.50/1,275,893.27 = 513,890.63/x
  3. Step 3: Cross multiply
    851,559.50x = 1,275,893.27 × 513,890.63
  4. Step 4: Simplify right side
    851,559.50x = 655,669,594,095.83
  5. Step 5: Solve for x
    x = 655,669,594,095.83/851,559.50
  6. Step 6: Final answer
    x = 769,963.34

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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.