Home / 796,870.89-1,100,758.79-636,847.53

Finding the Fourth Proportional to 796,870.89, 1,100,758.79 and 636,847.53

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Solution

The fourth proportional to 796,870.89, 1,100,758.79 and 636,847.53 is: 879,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,870.89 : 1,100,758.79 = 636,847.53 : x
  2. Step 2: Convert to fraction form
    796,870.89/1,100,758.79 = 636,847.53/x
  3. Step 3: Cross multiply
    796,870.89x = 1,100,758.79 × 636,847.53
  4. Step 4: Simplify right side
    796,870.89x = 701,015,513,353.05
  5. Step 5: Solve for x
    x = 701,015,513,353.05/796,870.89
  6. Step 6: Final answer
    x = 879,710.28

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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.