Home / 768,527.69-1,152,197.58-288,745.34

Finding the Fourth Proportional to 768,527.69, 1,152,197.58 and 288,745.34

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Solution

The fourth proportional to 768,527.69, 1,152,197.58 and 288,745.34 is: 432,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,527.69 : 1,152,197.58 = 288,745.34 : x
  2. Step 2: Convert to fraction form
    768,527.69/1,152,197.58 = 288,745.34/x
  3. Step 3: Cross multiply
    768,527.69x = 1,152,197.58 × 288,745.34
  4. Step 4: Simplify right side
    768,527.69x = 332,691,681,984.28
  5. Step 5: Solve for x
    x = 332,691,681,984.28/768,527.69
  6. Step 6: Final answer
    x = 432,894.85

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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.