Home / 813,204.63-1,122,228.98-450,634.50

Finding the Fourth Proportional to 813,204.63, 1,122,228.98 and 450,634.50

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Solution

The fourth proportional to 813,204.63, 1,122,228.98 and 450,634.50 is: 621,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,204.63 : 1,122,228.98 = 450,634.50 : x
  2. Step 2: Convert to fraction form
    813,204.63/1,122,228.98 = 450,634.50/x
  3. Step 3: Cross multiply
    813,204.63x = 1,122,228.98 × 450,634.50
  4. Step 4: Simplify right side
    813,204.63x = 505,715,093,034.64
  5. Step 5: Solve for x
    x = 505,715,093,034.64/813,204.63
  6. Step 6: Final answer
    x = 621,879.26

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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.