Home / 818,405.44-1,129,354.62-450,810.52

Finding the Fourth Proportional to 818,405.44, 1,129,354.62 and 450,810.52

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Solution

The fourth proportional to 818,405.44, 1,129,354.62 and 450,810.52 is: 622,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,405.44 : 1,129,354.62 = 450,810.52 : x
  2. Step 2: Convert to fraction form
    818,405.44/1,129,354.62 = 450,810.52/x
  3. Step 3: Cross multiply
    818,405.44x = 1,129,354.62 × 450,810.52
  4. Step 4: Simplify right side
    818,405.44x = 509,124,943,506.60
  5. Step 5: Solve for x
    x = 509,124,943,506.60/818,405.44
  6. Step 6: Final answer
    x = 622,093.79

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1.5x scale

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.