Home / 451,822.84-623,011.63-290,455.04

Finding the Fourth Proportional to 451,822.84, 623,011.63 and 290,455.04

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Solution

The fourth proportional to 451,822.84, 623,011.63 and 290,455.04 is: 400,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,822.84 : 623,011.63 = 290,455.04 : x
  2. Step 2: Convert to fraction form
    451,822.84/623,011.63 = 290,455.04/x
  3. Step 3: Cross multiply
    451,822.84x = 623,011.63 × 290,455.04
  4. Step 4: Simplify right side
    451,822.84x = 180,956,867,912.12
  5. Step 5: Solve for x
    x = 180,956,867,912.12/451,822.84
  6. Step 6: Final answer
    x = 400,504.03

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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.