Home / 891,847.05-1,338,081.62-379,771.53

Finding the Fourth Proportional to 891,847.05, 1,338,081.62 and 379,771.53

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Solution

The fourth proportional to 891,847.05, 1,338,081.62 and 379,771.53 is: 569,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,847.05 : 1,338,081.62 = 379,771.53 : x
  2. Step 2: Convert to fraction form
    891,847.05/1,338,081.62 = 379,771.53/x
  3. Step 3: Cross multiply
    891,847.05x = 1,338,081.62 × 379,771.53
  4. Step 4: Simplify right side
    891,847.05x = 508,165,302,193.42
  5. Step 5: Solve for x
    x = 508,165,302,193.42/891,847.05
  6. Step 6: Final answer
    x = 569,789.74

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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.