Home / 891,774.72-1,338,099.48-418,498.56

Finding the Fourth Proportional to 891,774.72, 1,338,099.48 and 418,498.56

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Solution

The fourth proportional to 891,774.72, 1,338,099.48 and 418,498.56 is: 627,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,774.72 : 1,338,099.48 = 418,498.56 : x
  2. Step 2: Convert to fraction form
    891,774.72/1,338,099.48 = 418,498.56/x
  3. Step 3: Cross multiply
    891,774.72x = 1,338,099.48 × 418,498.56
  4. Step 4: Simplify right side
    891,774.72x = 559,992,705,516.75
  5. Step 5: Solve for x
    x = 559,992,705,516.75/891,774.72
  6. Step 6: Final answer
    x = 627,953.11

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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.