Home / 525,286.60-788,513.10-325,832.20

Finding the Fourth Proportional to 525,286.60, 788,513.10 and 325,832.20

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Solution

The fourth proportional to 525,286.60, 788,513.10 and 325,832.20 is: 489,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,286.60 : 788,513.10 = 325,832.20 : x
  2. Step 2: Convert to fraction form
    525,286.60/788,513.10 = 325,832.20/x
  3. Step 3: Cross multiply
    525,286.60x = 788,513.10 × 325,832.20
  4. Step 4: Simplify right side
    525,286.60x = 256,922,958,101.82
  5. Step 5: Solve for x
    x = 256,922,958,101.82/525,286.60
  6. Step 6: Final answer
    x = 489,110.06

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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.