Home / 902,927.75-1,245,610.98-540,278.60

Finding the Fourth Proportional to 902,927.75, 1,245,610.98 and 540,278.60

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Solution

The fourth proportional to 902,927.75, 1,245,610.98 and 540,278.60 is: 745,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,927.75 : 1,245,610.98 = 540,278.60 : x
  2. Step 2: Convert to fraction form
    902,927.75/1,245,610.98 = 540,278.60/x
  3. Step 3: Cross multiply
    902,927.75x = 1,245,610.98 × 540,278.60
  4. Step 4: Simplify right side
    902,927.75x = 672,976,950,190.97
  5. Step 5: Solve for x
    x = 672,976,950,190.97/902,927.75
  6. Step 6: Final answer
    x = 745,327.58

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1.5x scale

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.