Home / 456,190.40-683,500.08-322,851.20

Finding the Fourth Proportional to 456,190.40, 683,500.08 and 322,851.20

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Solution

The fourth proportional to 456,190.40, 683,500.08 and 322,851.20 is: 483,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,190.40 : 683,500.08 = 322,851.20 : x
  2. Step 2: Convert to fraction form
    456,190.40/683,500.08 = 322,851.20/x
  3. Step 3: Cross multiply
    456,190.40x = 683,500.08 × 322,851.20
  4. Step 4: Simplify right side
    456,190.40x = 220,668,821,028.10
  5. Step 5: Solve for x
    x = 220,668,821,028.10/456,190.40
  6. Step 6: Final answer
    x = 483,720.88

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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.