Home / 809,290.91-1,116,821.52-446,714.87

Finding the Fourth Proportional to 809,290.91, 1,116,821.52 and 446,714.87

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Solution

The fourth proportional to 809,290.91, 1,116,821.52 and 446,714.87 is: 616,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,290.91 : 1,116,821.52 = 446,714.87 : x
  2. Step 2: Convert to fraction form
    809,290.91/1,116,821.52 = 446,714.87/x
  3. Step 3: Cross multiply
    809,290.91x = 1,116,821.52 × 446,714.87
  4. Step 4: Simplify right side
    809,290.91x = 498,900,774,535.90
  5. Step 5: Solve for x
    x = 498,900,774,535.90/809,290.91
  6. Step 6: Final answer
    x = 616,466.55

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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.