Home / 694,439.36-1,041,314.44-221,063.20

Finding the Fourth Proportional to 694,439.36, 1,041,314.44 and 221,063.20

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Solution

The fourth proportional to 694,439.36, 1,041,314.44 and 221,063.20 is: 331,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,439.36 : 1,041,314.44 = 221,063.20 : x
  2. Step 2: Convert to fraction form
    694,439.36/1,041,314.44 = 221,063.20/x
  3. Step 3: Cross multiply
    694,439.36x = 1,041,314.44 × 221,063.20
  4. Step 4: Simplify right side
    694,439.36x = 230,196,302,312.61
  5. Step 5: Solve for x
    x = 230,196,302,312.61/694,439.36
  6. Step 6: Final answer
    x = 331,485.10

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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.