Home / 555,828.21-831,749.31-481,205.07

Finding the Fourth Proportional to 555,828.21, 831,749.31 and 481,205.07

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Solution

The fourth proportional to 555,828.21, 831,749.31 and 481,205.07 is: 720,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,828.21 : 831,749.31 = 481,205.07 : x
  2. Step 2: Convert to fraction form
    555,828.21/831,749.31 = 481,205.07/x
  3. Step 3: Cross multiply
    555,828.21x = 831,749.31 × 481,205.07
  4. Step 4: Simplify right side
    555,828.21x = 400,241,984,941.00
  5. Step 5: Solve for x
    x = 400,241,984,941.00/555,828.21
  6. Step 6: Final answer
    x = 720,082.17

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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.