Home / 525,032.60-788,132.10-325,578.20

Finding the Fourth Proportional to 525,032.60, 788,132.10 and 325,578.20

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Solution

The fourth proportional to 525,032.60, 788,132.10 and 325,578.20 is: 488,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,032.60 : 788,132.10 = 325,578.20 : x
  2. Step 2: Convert to fraction form
    525,032.60/788,132.10 = 325,578.20/x
  3. Step 3: Cross multiply
    525,032.60x = 788,132.10 × 325,578.20
  4. Step 4: Simplify right side
    525,032.60x = 256,598,630,480.22
  5. Step 5: Solve for x
    x = 256,598,630,480.22/525,032.60
  6. Step 6: Final answer
    x = 488,728.95

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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.