Home / 419,982.15-629,973.23-370,993.35

Finding the Fourth Proportional to 419,982.15, 629,973.23 and 370,993.35

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Solution

The fourth proportional to 419,982.15, 629,973.23 and 370,993.35 is: 556,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,982.15 : 629,973.23 = 370,993.35 : x
  2. Step 2: Convert to fraction form
    419,982.15/629,973.23 = 370,993.35/x
  3. Step 3: Cross multiply
    419,982.15x = 629,973.23 × 370,993.35
  4. Step 4: Simplify right side
    419,982.15x = 233,715,877,153.05
  5. Step 5: Solve for x
    x = 233,715,877,153.05/419,982.15
  6. Step 6: Final answer
    x = 556,490.03

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Double scale
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1.5x scale

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.