Home / 902,859.48-1,245,960.36-540,298.80

Finding the Fourth Proportional to 902,859.48, 1,245,960.36 and 540,298.80

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Solution

The fourth proportional to 902,859.48, 1,245,960.36 and 540,298.80 is: 745,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,859.48 : 1,245,960.36 = 540,298.80 : x
  2. Step 2: Convert to fraction form
    902,859.48/1,245,960.36 = 540,298.80/x
  3. Step 3: Cross multiply
    902,859.48x = 1,245,960.36 × 540,298.80
  4. Step 4: Simplify right side
    902,859.48x = 673,190,887,355.57
  5. Step 5: Solve for x
    x = 673,190,887,355.57/902,859.48
  6. Step 6: Final answer
    x = 745,620.89

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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.