Home / 787,845.73-1,181,923.73-282,271.47

Finding the Fourth Proportional to 787,845.73, 1,181,923.73 and 282,271.47

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Solution

The fourth proportional to 787,845.73, 1,181,923.73 and 282,271.47 is: 423,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,845.73 : 1,181,923.73 = 282,271.47 : x
  2. Step 2: Convert to fraction form
    787,845.73/1,181,923.73 = 282,271.47/x
  3. Step 3: Cross multiply
    787,845.73x = 1,181,923.73 × 282,271.47
  4. Step 4: Simplify right side
    787,845.73x = 333,623,348,694.98
  5. Step 5: Solve for x
    x = 333,623,348,694.98/787,845.73
  6. Step 6: Final answer
    x = 423,462.79

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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.