Home / 893,213.70-1,340,209.35-449,981.70

Finding the Fourth Proportional to 893,213.70, 1,340,209.35 and 449,981.70

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Solution

The fourth proportional to 893,213.70, 1,340,209.35 and 449,981.70 is: 675,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,213.70 : 1,340,209.35 = 449,981.70 : x
  2. Step 2: Convert to fraction form
    893,213.70/1,340,209.35 = 449,981.70/x
  3. Step 3: Cross multiply
    893,213.70x = 1,340,209.35 × 449,981.70
  4. Step 4: Simplify right side
    893,213.70x = 603,069,681,668.90
  5. Step 5: Solve for x
    x = 603,069,681,668.90/893,213.70
  6. Step 6: Final answer
    x = 675,168.42

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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.