Home / 525,619.76-788,928.04-325,334.28

Finding the Fourth Proportional to 525,619.76, 788,928.04 and 325,334.28

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Solution

The fourth proportional to 525,619.76, 788,928.04 and 325,334.28 is: 488,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,619.76 : 788,928.04 = 325,334.28 : x
  2. Step 2: Convert to fraction form
    525,619.76/788,928.04 = 325,334.28/x
  3. Step 3: Cross multiply
    525,619.76x = 788,928.04 × 325,334.28
  4. Step 4: Simplify right side
    525,619.76x = 256,665,335,865.21
  5. Step 5: Solve for x
    x = 256,665,335,865.21/525,619.76
  6. Step 6: Final answer
    x = 488,309.91

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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.