Home / 809,281.89-1,116,809.07-446,705.85

Finding the Fourth Proportional to 809,281.89, 1,116,809.07 and 446,705.85

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Solution

The fourth proportional to 809,281.89, 1,116,809.07 and 446,705.85 is: 616,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,281.89 : 1,116,809.07 = 446,705.85 : x
  2. Step 2: Convert to fraction form
    809,281.89/1,116,809.07 = 446,705.85/x
  3. Step 3: Cross multiply
    809,281.89x = 1,116,809.07 × 446,705.85
  4. Step 4: Simplify right side
    809,281.89x = 498,885,144,902.06
  5. Step 5: Solve for x
    x = 498,885,144,902.06/809,281.89
  6. Step 6: Final answer
    x = 616,454.11

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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.