Home / 818,408.44-1,129,358.76-450,813.52

Finding the Fourth Proportional to 818,408.44, 1,129,358.76 and 450,813.52

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Solution

The fourth proportional to 818,408.44, 1,129,358.76 and 450,813.52 is: 622,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,408.44 : 1,129,358.76 = 450,813.52 : x
  2. Step 2: Convert to fraction form
    818,408.44/1,129,358.76 = 450,813.52/x
  3. Step 3: Cross multiply
    818,408.44x = 1,129,358.76 × 450,813.52
  4. Step 4: Simplify right side
    818,408.44x = 509,130,197,938.44
  5. Step 5: Solve for x
    x = 509,130,197,938.44/818,408.44
  6. Step 6: Final answer
    x = 622,097.93

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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.