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Finding the Fourth Proportional to 835,725, 1,254,085.62 and 303,287.64

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Solution

The fourth proportional to 835,725, 1,254,085.62 and 303,287.64 is: 455,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,725 : 1,254,085.62 = 303,287.64 : x
  2. Step 2: Convert to fraction form
    835,725/1,254,085.62 = 303,287.64/x
  3. Step 3: Cross multiply
    835,725x = 1,254,085.62 × 303,287.64
  4. Step 4: Simplify right side
    835,725x = 380,348,668,047.74
  5. Step 5: Solve for x
    x = 380,348,668,047.74/835,725
  6. Step 6: Final answer
    x = 455,112.23

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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.