Home / 526,741.52-789,971.24-147,640.96

Finding the Fourth Proportional to 526,741.52, 789,971.24 and 147,640.96

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Solution

The fourth proportional to 526,741.52, 789,971.24 and 147,640.96 is: 221,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,741.52 : 789,971.24 = 147,640.96 : x
  2. Step 2: Convert to fraction form
    526,741.52/789,971.24 = 147,640.96/x
  3. Step 3: Cross multiply
    526,741.52x = 789,971.24 × 147,640.96
  4. Step 4: Simplify right side
    526,741.52x = 116,632,112,245.99
  5. Step 5: Solve for x
    x = 116,632,112,245.99/526,741.52
  6. Step 6: Final answer
    x = 221,421.91

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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.