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Finding the Fourth Proportional to 525,068.60, 788,186.10 and 325,614.20

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Solution

The fourth proportional to 525,068.60, 788,186.10 and 325,614.20 is: 488,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,068.60 : 788,186.10 = 325,614.20 : x
  2. Step 2: Convert to fraction form
    525,068.60/788,186.10 = 325,614.20/x
  3. Step 3: Cross multiply
    525,068.60x = 788,186.10 × 325,614.20
  4. Step 4: Simplify right side
    525,068.60x = 256,644,586,402.62
  5. Step 5: Solve for x
    x = 256,644,586,402.62/525,068.60
  6. Step 6: Final answer
    x = 488,782.96

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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.