Home / 948,478.85-1,308,821.33-534,992.78

Finding the Fourth Proportional to 948,478.85, 1,308,821.33 and 534,992.78

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Solution

The fourth proportional to 948,478.85, 1,308,821.33 and 534,992.78 is: 738,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,478.85 : 1,308,821.33 = 534,992.78 : x
  2. Step 2: Convert to fraction form
    948,478.85/1,308,821.33 = 534,992.78/x
  3. Step 3: Cross multiply
    948,478.85x = 1,308,821.33 × 534,992.78
  4. Step 4: Simplify right side
    948,478.85x = 700,209,959,185.03
  5. Step 5: Solve for x
    x = 700,209,959,185.03/948,478.85
  6. Step 6: Final answer
    x = 738,245.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.