Home / 525,620.18-788,928.73-325,334.72

Finding the Fourth Proportional to 525,620.18, 788,928.73 and 325,334.72

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Solution

The fourth proportional to 525,620.18, 788,928.73 and 325,334.72 is: 488,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,620.18 : 788,928.73 = 325,334.72 : x
  2. Step 2: Convert to fraction form
    525,620.18/788,928.73 = 325,334.72/x
  3. Step 3: Cross multiply
    525,620.18x = 788,928.73 × 325,334.72
  4. Step 4: Simplify right side
    525,620.18x = 256,665,908,633.49
  5. Step 5: Solve for x
    x = 256,665,908,633.49/525,620.18
  6. Step 6: Final answer
    x = 488,310.60

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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.