Home / 920,992.53-1,381,636.46-388,592.02

Finding the Fourth Proportional to 920,992.53, 1,381,636.46 and 388,592.02

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Solution

The fourth proportional to 920,992.53, 1,381,636.46 and 388,592.02 is: 582,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,992.53 : 1,381,636.46 = 388,592.02 : x
  2. Step 2: Convert to fraction form
    920,992.53/1,381,636.46 = 388,592.02/x
  3. Step 3: Cross multiply
    920,992.53x = 1,381,636.46 × 388,592.02
  4. Step 4: Simplify right side
    920,992.53x = 536,892,902,897.05
  5. Step 5: Solve for x
    x = 536,892,902,897.05/920,992.53
  6. Step 6: Final answer
    x = 582,950.33

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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.