Home / 806,719.34-1,110,871.58-788,817.80

Finding the Fourth Proportional to 806,719.34, 1,110,871.58 and 788,817.80

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Solution

The fourth proportional to 806,719.34, 1,110,871.58 and 788,817.80 is: 1,086,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,719.34 : 1,110,871.58 = 788,817.80 : x
  2. Step 2: Convert to fraction form
    806,719.34/1,110,871.58 = 788,817.80/x
  3. Step 3: Cross multiply
    806,719.34x = 1,110,871.58 × 788,817.80
  4. Step 4: Simplify right side
    806,719.34x = 876,275,275,818.12
  5. Step 5: Solve for x
    x = 876,275,275,818.12/806,719.34
  6. Step 6: Final answer
    x = 1,086,220.74

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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.