Home / 492,944.81-680,295.58-278,080.27

Finding the Fourth Proportional to 492,944.81, 680,295.58 and 278,080.27

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Solution

The fourth proportional to 492,944.81, 680,295.58 and 278,080.27 is: 383,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,944.81 : 680,295.58 = 278,080.27 : x
  2. Step 2: Convert to fraction form
    492,944.81/680,295.58 = 278,080.27/x
  3. Step 3: Cross multiply
    492,944.81x = 680,295.58 × 278,080.27
  4. Step 4: Simplify right side
    492,944.81x = 189,176,776,170.27
  5. Step 5: Solve for x
    x = 189,176,776,170.27/492,944.81
  6. Step 6: Final answer
    x = 383,768.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.