Home / 880,830.40-1,321,245.60-526,536.40

Finding the Fourth Proportional to 880,830.40, 1,321,245.60 and 526,536.40

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Solution

The fourth proportional to 880,830.40, 1,321,245.60 and 526,536.40 is: 789,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,830.40 : 1,321,245.60 = 526,536.40 : x
  2. Step 2: Convert to fraction form
    880,830.40/1,321,245.60 = 526,536.40/x
  3. Step 3: Cross multiply
    880,830.40x = 1,321,245.60 × 526,536.40
  4. Step 4: Simplify right side
    880,830.40x = 695,683,901,739.84
  5. Step 5: Solve for x
    x = 695,683,901,739.84/880,830.40
  6. Step 6: Final answer
    x = 789,804.60

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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.