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Finding the Fourth Proportional to 525,346.60, 788,603.10 and 325,892.20

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Solution

The fourth proportional to 525,346.60, 788,603.10 and 325,892.20 is: 489,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,346.60 : 788,603.10 = 325,892.20 : x
  2. Step 2: Convert to fraction form
    525,346.60/788,603.10 = 325,892.20/x
  3. Step 3: Cross multiply
    525,346.60x = 788,603.10 × 325,892.20
  4. Step 4: Simplify right side
    525,346.60x = 256,999,599,185.82
  5. Step 5: Solve for x
    x = 256,999,599,185.82/525,346.60
  6. Step 6: Final answer
    x = 489,200.08

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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.