Home / 768,525.69-1,152,194.58-288,743.34

Finding the Fourth Proportional to 768,525.69, 1,152,194.58 and 288,743.34

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Solution

The fourth proportional to 768,525.69, 1,152,194.58 and 288,743.34 is: 432,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,525.69 : 1,152,194.58 = 288,743.34 : x
  2. Step 2: Convert to fraction form
    768,525.69/1,152,194.58 = 288,743.34/x
  3. Step 3: Cross multiply
    768,525.69x = 1,152,194.58 × 288,743.34
  4. Step 4: Simplify right side
    768,525.69x = 332,688,511,359.10
  5. Step 5: Solve for x
    x = 332,688,511,359.10/768,525.69
  6. Step 6: Final answer
    x = 432,891.85

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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.