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Finding the Fourth Proportional to 525,452.94, 788,290.14 and 170,439.28

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Solution

The fourth proportional to 525,452.94, 788,290.14 and 170,439.28 is: 255,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,452.94 : 788,290.14 = 170,439.28 : x
  2. Step 2: Convert to fraction form
    525,452.94/788,290.14 = 170,439.28/x
  3. Step 3: Cross multiply
    525,452.94x = 788,290.14 × 170,439.28
  4. Step 4: Simplify right side
    525,452.94x = 134,355,603,892.70
  5. Step 5: Solve for x
    x = 134,355,603,892.70/525,452.94
  6. Step 6: Final answer
    x = 255,694.84

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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.