Home / 863,342.40-1,191,425.76-481,356.48

Finding the Fourth Proportional to 863,342.40, 1,191,425.76 and 481,356.48

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Solution

The fourth proportional to 863,342.40, 1,191,425.76 and 481,356.48 is: 664,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,342.40 : 1,191,425.76 = 481,356.48 : x
  2. Step 2: Convert to fraction form
    863,342.40/1,191,425.76 = 481,356.48/x
  3. Step 3: Cross multiply
    863,342.40x = 1,191,425.76 × 481,356.48
  4. Step 4: Simplify right side
    863,342.40x = 573,500,510,014.93
  5. Step 5: Solve for x
    x = 573,500,510,014.93/863,342.40
  6. Step 6: Final answer
    x = 664,279.33

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Double scale
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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.