Home / 525,858.60-788,982.30-210,541.80

Finding the Fourth Proportional to 525,858.60, 788,982.30 and 210,541.80

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Solution

The fourth proportional to 525,858.60, 788,982.30 and 210,541.80 is: 315,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,858.60 : 788,982.30 = 210,541.80 : x
  2. Step 2: Convert to fraction form
    525,858.60/788,982.30 = 210,541.80/x
  3. Step 3: Cross multiply
    525,858.60x = 788,982.30 × 210,541.80
  4. Step 4: Simplify right side
    525,858.60x = 166,113,753,610.14
  5. Step 5: Solve for x
    x = 166,113,753,610.14/525,858.60
  6. Step 6: Final answer
    x = 315,890.53

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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.