Home / 674,256.80-1,012,040.40-526,109.60

Finding the Fourth Proportional to 674,256.80, 1,012,040.40 and 526,109.60

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Solution

The fourth proportional to 674,256.80, 1,012,040.40 and 526,109.60 is: 789,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,256.80 : 1,012,040.40 = 526,109.60 : x
  2. Step 2: Convert to fraction form
    674,256.80/1,012,040.40 = 526,109.60/x
  3. Step 3: Cross multiply
    674,256.80x = 1,012,040.40 × 526,109.60
  4. Step 4: Simplify right side
    674,256.80x = 532,444,170,027.84
  5. Step 5: Solve for x
    x = 532,444,170,027.84/674,256.80
  6. Step 6: Final answer
    x = 789,675.64

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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.