Home / 808,529.40-1,213,485.30-359,940.60

Finding the Fourth Proportional to 808,529.40, 1,213,485.30 and 359,940.60

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Solution

The fourth proportional to 808,529.40, 1,213,485.30 and 359,940.60 is: 540,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,529.40 : 1,213,485.30 = 359,940.60 : x
  2. Step 2: Convert to fraction form
    808,529.40/1,213,485.30 = 359,940.60/x
  3. Step 3: Cross multiply
    808,529.40x = 1,213,485.30 × 359,940.60
  4. Step 4: Simplify right side
    808,529.40x = 436,782,626,973.18
  5. Step 5: Solve for x
    x = 436,782,626,973.18/808,529.40
  6. Step 6: Final answer
    x = 540,218.61

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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.