Home / 809,013.40-1,214,297.70-410,104.60

Finding the Fourth Proportional to 809,013.40, 1,214,297.70 and 410,104.60

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Solution

The fourth proportional to 809,013.40, 1,214,297.70 and 410,104.60 is: 615,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,013.40 : 1,214,297.70 = 410,104.60 : x
  2. Step 2: Convert to fraction form
    809,013.40/1,214,297.70 = 410,104.60/x
  3. Step 3: Cross multiply
    809,013.40x = 1,214,297.70 × 410,104.60
  4. Step 4: Simplify right side
    809,013.40x = 497,989,072,539.42
  5. Step 5: Solve for x
    x = 497,989,072,539.42/809,013.40
  6. Step 6: Final answer
    x = 615,551.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.