Home / 874,400.96-1,310,616.84-446,740.40

Finding the Fourth Proportional to 874,400.96, 1,310,616.84 and 446,740.40

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Solution

The fourth proportional to 874,400.96, 1,310,616.84 and 446,740.40 is: 669,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,400.96 : 1,310,616.84 = 446,740.40 : x
  2. Step 2: Convert to fraction form
    874,400.96/1,310,616.84 = 446,740.40/x
  3. Step 3: Cross multiply
    874,400.96x = 1,310,616.84 × 446,740.40
  4. Step 4: Simplify right side
    874,400.96x = 585,505,491,348.34
  5. Step 5: Solve for x
    x = 585,505,491,348.34/874,400.96
  6. Step 6: Final answer
    x = 669,607.56

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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.