Home / 437,619.80-656,429.70-374,634.20

Finding the Fourth Proportional to 437,619.80, 656,429.70 and 374,634.20

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Solution

The fourth proportional to 437,619.80, 656,429.70 and 374,634.20 is: 561,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,619.80 : 656,429.70 = 374,634.20 : x
  2. Step 2: Convert to fraction form
    437,619.80/656,429.70 = 374,634.20/x
  3. Step 3: Cross multiply
    437,619.80x = 656,429.70 × 374,634.20
  4. Step 4: Simplify right side
    437,619.80x = 245,921,015,515.74
  5. Step 5: Solve for x
    x = 245,921,015,515.74/437,619.80
  6. Step 6: Final answer
    x = 561,951.30

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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.