Home / 808,994.31-1,116,415.43-446,428.67

Finding the Fourth Proportional to 808,994.31, 1,116,415.43 and 446,428.67

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Solution

The fourth proportional to 808,994.31, 1,116,415.43 and 446,428.67 is: 616,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,994.31 : 1,116,415.43 = 446,428.67 : x
  2. Step 2: Convert to fraction form
    808,994.31/1,116,415.43 = 446,428.67/x
  3. Step 3: Cross multiply
    808,994.31x = 1,116,415.43 × 446,428.67
  4. Step 4: Simplify right side
    808,994.31x = 498,399,850,697.85
  5. Step 5: Solve for x
    x = 498,399,850,697.85/808,994.31
  6. Step 6: Final answer
    x = 616,073.37

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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.