Home / 851,567.52-1,275,905.33-513,898.62

Finding the Fourth Proportional to 851,567.52, 1,275,905.33 and 513,898.62

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Solution

The fourth proportional to 851,567.52, 1,275,905.33 and 513,898.62 is: 769,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,567.52 : 1,275,905.33 = 513,898.62 : x
  2. Step 2: Convert to fraction form
    851,567.52/1,275,905.33 = 513,898.62/x
  3. Step 3: Cross multiply
    851,567.52x = 1,275,905.33 × 513,898.62
  4. Step 4: Simplify right side
    851,567.52x = 655,685,985,768.15
  5. Step 5: Solve for x
    x = 655,685,985,768.15/851,567.52
  6. Step 6: Final answer
    x = 769,975.33

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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.