Home / 870,170.58-1,200,907.74-483,022.38

Finding the Fourth Proportional to 870,170.58, 1,200,907.74 and 483,022.38

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Solution

The fourth proportional to 870,170.58, 1,200,907.74 and 483,022.38 is: 666,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,170.58 : 1,200,907.74 = 483,022.38 : x
  2. Step 2: Convert to fraction form
    870,170.58/1,200,907.74 = 483,022.38/x
  3. Step 3: Cross multiply
    870,170.58x = 1,200,907.74 × 483,022.38
  4. Step 4: Simplify right side
    870,170.58x = 580,065,314,735.22
  5. Step 5: Solve for x
    x = 580,065,314,735.22/870,170.58
  6. Step 6: Final answer
    x = 666,611.04

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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.