Home / 854,430.25-1,280,891.12-322,324.95

Finding the Fourth Proportional to 854,430.25, 1,280,891.12 and 322,324.95

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Solution

The fourth proportional to 854,430.25, 1,280,891.12 and 322,324.95 is: 483,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,430.25 : 1,280,891.12 = 322,324.95 : x
  2. Step 2: Convert to fraction form
    854,430.25/1,280,891.12 = 322,324.95/x
  3. Step 3: Cross multiply
    854,430.25x = 1,280,891.12 × 322,324.95
  4. Step 4: Simplify right side
    854,430.25x = 412,863,160,406.72
  5. Step 5: Solve for x
    x = 412,863,160,406.72/854,430.25
  6. Step 6: Final answer
    x = 483,202.89

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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.