Home / 840,855.77-1,260,533.65-308,252.45

Finding the Fourth Proportional to 840,855.77, 1,260,533.65 and 308,252.45

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Solution

The fourth proportional to 840,855.77, 1,260,533.65 and 308,252.45 is: 462,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,855.77 : 1,260,533.65 = 308,252.45 : x
  2. Step 2: Convert to fraction form
    840,855.77/1,260,533.65 = 308,252.45/x
  3. Step 3: Cross multiply
    840,855.77x = 1,260,533.65 × 308,252.45
  4. Step 4: Simplify right side
    840,855.77x = 388,562,585,919.94
  5. Step 5: Solve for x
    x = 388,562,585,919.94/840,855.77
  6. Step 6: Final answer
    x = 462,103.73

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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.