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Finding the Fourth Proportional to 525,016.60, 788,108.10 and 325,562.20

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Solution

The fourth proportional to 525,016.60, 788,108.10 and 325,562.20 is: 488,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,016.60 : 788,108.10 = 325,562.20 : x
  2. Step 2: Convert to fraction form
    525,016.60/788,108.10 = 325,562.20/x
  3. Step 3: Cross multiply
    525,016.60x = 788,108.10 × 325,562.20
  4. Step 4: Simplify right side
    525,016.60x = 256,578,206,873.82
  5. Step 5: Solve for x
    x = 256,578,206,873.82/525,016.60
  6. Step 6: Final answer
    x = 488,704.94

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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.