Home / 802,629.83-1,107,639.96-440,052.82

Finding the Fourth Proportional to 802,629.83, 1,107,639.96 and 440,052.82

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Solution

The fourth proportional to 802,629.83, 1,107,639.96 and 440,052.82 is: 607,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,629.83 : 1,107,639.96 = 440,052.82 : x
  2. Step 2: Convert to fraction form
    802,629.83/1,107,639.96 = 440,052.82/x
  3. Step 3: Cross multiply
    802,629.83x = 1,107,639.96 × 440,052.82
  4. Step 4: Simplify right side
    802,629.83x = 487,420,082,404.49
  5. Step 5: Solve for x
    x = 487,420,082,404.49/802,629.83
  6. Step 6: Final answer
    x = 607,278.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.