Home / 790,815.59-1,091,403.58-451,334.63

Finding the Fourth Proportional to 790,815.59, 1,091,403.58 and 451,334.63

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Solution

The fourth proportional to 790,815.59, 1,091,403.58 and 451,334.63 is: 622,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,815.59 : 1,091,403.58 = 451,334.63 : x
  2. Step 2: Convert to fraction form
    790,815.59/1,091,403.58 = 451,334.63/x
  3. Step 3: Cross multiply
    790,815.59x = 1,091,403.58 × 451,334.63
  4. Step 4: Simplify right side
    790,815.59x = 492,588,230,959.98
  5. Step 5: Solve for x
    x = 492,588,230,959.98/790,815.59
  6. Step 6: Final answer
    x = 622,886.34

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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.