Home / 496,022.85-684,480.89-278,219.55

Finding the Fourth Proportional to 496,022.85, 684,480.89 and 278,219.55

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Solution

The fourth proportional to 496,022.85, 684,480.89 and 278,219.55 is: 383,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,022.85 : 684,480.89 = 278,219.55 : x
  2. Step 2: Convert to fraction form
    496,022.85/684,480.89 = 278,219.55/x
  3. Step 3: Cross multiply
    496,022.85x = 684,480.89 × 278,219.55
  4. Step 4: Simplify right side
    496,022.85x = 190,435,963,808.30
  5. Step 5: Solve for x
    x = 190,435,963,808.30/496,022.85
  6. Step 6: Final answer
    x = 383,925.79

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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.