Home / 913,055.44-1,369,755.30-281,821.63

Finding the Fourth Proportional to 913,055.44, 1,369,755.30 and 281,821.63

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Solution

The fourth proportional to 913,055.44, 1,369,755.30 and 281,821.63 is: 422,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,055.44 : 1,369,755.30 = 281,821.63 : x
  2. Step 2: Convert to fraction form
    913,055.44/1,369,755.30 = 281,821.63/x
  3. Step 3: Cross multiply
    913,055.44x = 1,369,755.30 × 281,821.63
  4. Step 4: Simplify right side
    913,055.44x = 386,026,671,347.14
  5. Step 5: Solve for x
    x = 386,026,671,347.14/913,055.44
  6. Step 6: Final answer
    x = 422,785.58

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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.