Home / 830,828.25-1,246,241.42-298,349.85

Finding the Fourth Proportional to 830,828.25, 1,246,241.42 and 298,349.85

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Solution

The fourth proportional to 830,828.25, 1,246,241.42 and 298,349.85 is: 447,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,828.25 : 1,246,241.42 = 298,349.85 : x
  2. Step 2: Convert to fraction form
    830,828.25/1,246,241.42 = 298,349.85/x
  3. Step 3: Cross multiply
    830,828.25x = 1,246,241.42 × 298,349.85
  4. Step 4: Simplify right side
    830,828.25x = 371,815,939,229.04
  5. Step 5: Solve for x
    x = 371,815,939,229.04/830,828.25
  6. Step 6: Final answer
    x = 447,524.43

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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.