Home / 526,742.80-789,822.60-210,842.80

Finding the Fourth Proportional to 526,742.80, 789,822.60 and 210,842.80

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Solution

The fourth proportional to 526,742.80, 789,822.60 and 210,842.80 is: 316,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,742.80 : 789,822.60 = 210,842.80 : x
  2. Step 2: Convert to fraction form
    526,742.80/789,822.60 = 210,842.80/x
  3. Step 3: Cross multiply
    526,742.80x = 789,822.60 × 210,842.80
  4. Step 4: Simplify right side
    526,742.80x = 166,528,408,487.28
  5. Step 5: Solve for x
    x = 166,528,408,487.28/526,742.80
  6. Step 6: Final answer
    x = 316,147.48

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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.