Home / 459,821.04-634,193.56-298,728

Finding the Fourth Proportional to 459,821.04, 634,193.56 and 298,728

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Solution

The fourth proportional to 459,821.04, 634,193.56 and 298,728 is: 412,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,821.04 : 634,193.56 = 298,728 : x
  2. Step 2: Convert to fraction form
    459,821.04/634,193.56 = 298,728/x
  3. Step 3: Cross multiply
    459,821.04x = 634,193.56 × 298,728
  4. Step 4: Simplify right side
    459,821.04x = 189,451,373,791.68
  5. Step 5: Solve for x
    x = 189,451,373,791.68/459,821.04
  6. Step 6: Final answer
    x = 412,011.10

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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.