Home / 777,668.76-1,166,962.42-328,360.56

Finding the Fourth Proportional to 777,668.76, 1,166,962.42 and 328,360.56

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Solution

The fourth proportional to 777,668.76, 1,166,962.42 and 328,360.56 is: 492,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,668.76 : 1,166,962.42 = 328,360.56 : x
  2. Step 2: Convert to fraction form
    777,668.76/1,166,962.42 = 328,360.56/x
  3. Step 3: Cross multiply
    777,668.76x = 1,166,962.42 × 328,360.56
  4. Step 4: Simplify right side
    777,668.76x = 383,184,433,730.16
  5. Step 5: Solve for x
    x = 383,184,433,730.16/777,668.76
  6. Step 6: Final answer
    x = 492,734.77

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1.5x scale

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.