Home / 874,401.96-1,310,618.34-446,741.40

Finding the Fourth Proportional to 874,401.96, 1,310,618.34 and 446,741.40

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Solution

The fourth proportional to 874,401.96, 1,310,618.34 and 446,741.40 is: 669,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,401.96 : 1,310,618.34 = 446,741.40 : x
  2. Step 2: Convert to fraction form
    874,401.96/1,310,618.34 = 446,741.40/x
  3. Step 3: Cross multiply
    874,401.96x = 1,310,618.34 × 446,741.40
  4. Step 4: Simplify right side
    874,401.96x = 585,507,472,077.28
  5. Step 5: Solve for x
    x = 585,507,472,077.28/874,401.96
  6. Step 6: Final answer
    x = 669,609.06

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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.