Home / 809,290.46-1,116,820.89-446,714.41

Finding the Fourth Proportional to 809,290.46, 1,116,820.89 and 446,714.41

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Solution

The fourth proportional to 809,290.46, 1,116,820.89 and 446,714.41 is: 616,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,290.46 : 1,116,820.89 = 446,714.41 : x
  2. Step 2: Convert to fraction form
    809,290.46/1,116,820.89 = 446,714.41/x
  3. Step 3: Cross multiply
    809,290.46x = 1,116,820.89 × 446,714.41
  4. Step 4: Simplify right side
    809,290.46x = 498,899,984,952.03
  5. Step 5: Solve for x
    x = 498,899,984,952.03/809,290.46
  6. Step 6: Final answer
    x = 616,465.92

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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.