Home / 809,288.34-1,116,817.96-446,712.28

Finding the Fourth Proportional to 809,288.34, 1,116,817.96 and 446,712.28

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Solution

The fourth proportional to 809,288.34, 1,116,817.96 and 446,712.28 is: 616,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,288.34 : 1,116,817.96 = 446,712.28 : x
  2. Step 2: Convert to fraction form
    809,288.34/1,116,817.96 = 446,712.28/x
  3. Step 3: Cross multiply
    809,288.34x = 1,116,817.96 × 446,712.28
  4. Step 4: Simplify right side
    809,288.34x = 498,896,296,139.77
  5. Step 5: Solve for x
    x = 498,896,296,139.77/809,288.34
  6. Step 6: Final answer
    x = 616,462.98

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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.