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Finding the Fourth Proportional to 525,452.45, 788,289.39 and 170,438.79

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Solution

The fourth proportional to 525,452.45, 788,289.39 and 170,438.79 is: 255,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,452.45 : 788,289.39 = 170,438.79 : x
  2. Step 2: Convert to fraction form
    525,452.45/788,289.39 = 170,438.79/x
  3. Step 3: Cross multiply
    525,452.45x = 788,289.39 × 170,438.79
  4. Step 4: Simplify right side
    525,452.45x = 134,355,089,801.44
  5. Step 5: Solve for x
    x = 134,355,089,801.44/525,452.45
  6. Step 6: Final answer
    x = 255,694.10

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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.