Home / 869,580.30-1,303,722.45-449,157.90

Finding the Fourth Proportional to 869,580.30, 1,303,722.45 and 449,157.90

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Solution

The fourth proportional to 869,580.30, 1,303,722.45 and 449,157.90 is: 673,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,580.30 : 1,303,722.45 = 449,157.90 : x
  2. Step 2: Convert to fraction form
    869,580.30/1,303,722.45 = 449,157.90/x
  3. Step 3: Cross multiply
    869,580.30x = 1,303,722.45 × 449,157.90
  4. Step 4: Simplify right side
    869,580.30x = 585,577,237,824.86
  5. Step 5: Solve for x
    x = 585,577,237,824.86/869,580.30
  6. Step 6: Final answer
    x = 673,402.14

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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.