Home / 683,091-942,666.12-381,285

Finding the Fourth Proportional to 683,091, 942,666.12 and 381,285

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Solution

The fourth proportional to 683,091, 942,666.12 and 381,285 is: 526,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,091 : 942,666.12 = 381,285 : x
  2. Step 2: Convert to fraction form
    683,091/942,666.12 = 381,285/x
  3. Step 3: Cross multiply
    683,091x = 942,666.12 × 381,285
  4. Step 4: Simplify right side
    683,091x = 359,424,451,564.20
  5. Step 5: Solve for x
    x = 359,424,451,564.20/683,091
  6. Step 6: Final answer
    x = 526,173.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.