Home / 902,861.48-1,245,963.12-540,300.80

Finding the Fourth Proportional to 902,861.48, 1,245,963.12 and 540,300.80

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Solution

The fourth proportional to 902,861.48, 1,245,963.12 and 540,300.80 is: 745,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,861.48 : 1,245,963.12 = 540,300.80 : x
  2. Step 2: Convert to fraction form
    902,861.48/1,245,963.12 = 540,300.80/x
  3. Step 3: Cross multiply
    902,861.48x = 1,245,963.12 × 540,300.80
  4. Step 4: Simplify right side
    902,861.48x = 673,194,870,506.50
  5. Step 5: Solve for x
    x = 673,194,870,506.50/902,861.48
  6. Step 6: Final answer
    x = 745,623.65

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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.