Home / 878,361.23-1,317,219.12-301,821.01

Finding the Fourth Proportional to 878,361.23, 1,317,219.12 and 301,821.01

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Solution

The fourth proportional to 878,361.23, 1,317,219.12 and 301,821.01 is: 452,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,361.23 : 1,317,219.12 = 301,821.01 : x
  2. Step 2: Convert to fraction form
    878,361.23/1,317,219.12 = 301,821.01/x
  3. Step 3: Cross multiply
    878,361.23x = 1,317,219.12 × 301,821.01
  4. Step 4: Simplify right side
    878,361.23x = 397,564,400,623.34
  5. Step 5: Solve for x
    x = 397,564,400,623.34/878,361.23
  6. Step 6: Final answer
    x = 452,620.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.