Home / 788,553.60-1,182,830.40-685,910.40

Finding the Fourth Proportional to 788,553.60, 1,182,830.40 and 685,910.40

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Solution

The fourth proportional to 788,553.60, 1,182,830.40 and 685,910.40 is: 1,028,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,553.60 : 1,182,830.40 = 685,910.40 : x
  2. Step 2: Convert to fraction form
    788,553.60/1,182,830.40 = 685,910.40/x
  3. Step 3: Cross multiply
    788,553.60x = 1,182,830.40 × 685,910.40
  4. Step 4: Simplify right side
    788,553.60x = 811,315,672,796.16
  5. Step 5: Solve for x
    x = 811,315,672,796.16/788,553.60
  6. Step 6: Final answer
    x = 1,028,865.60

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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.