Home / 803,825.79-1,107,750.48-789,053.44

Finding the Fourth Proportional to 803,825.79, 1,107,750.48 and 789,053.44

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Solution

The fourth proportional to 803,825.79, 1,107,750.48 and 789,053.44 is: 1,087,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,825.79 : 1,107,750.48 = 789,053.44 : x
  2. Step 2: Convert to fraction form
    803,825.79/1,107,750.48 = 789,053.44/x
  3. Step 3: Cross multiply
    803,825.79x = 1,107,750.48 × 789,053.44
  4. Step 4: Simplify right side
    803,825.79x = 874,074,326,135.01
  5. Step 5: Solve for x
    x = 874,074,326,135.01/803,825.79
  6. Step 6: Final answer
    x = 1,087,392.74

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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.