Home / 553,617.24-763,991.83-298,968.43

Finding the Fourth Proportional to 553,617.24, 763,991.83 and 298,968.43

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Solution

The fourth proportional to 553,617.24, 763,991.83 and 298,968.43 is: 412,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,617.24 : 763,991.83 = 298,968.43 : x
  2. Step 2: Convert to fraction form
    553,617.24/763,991.83 = 298,968.43/x
  3. Step 3: Cross multiply
    553,617.24x = 763,991.83 × 298,968.43
  4. Step 4: Simplify right side
    553,617.24x = 228,409,437,947.93
  5. Step 5: Solve for x
    x = 228,409,437,947.93/553,617.24
  6. Step 6: Final answer
    x = 412,576.45

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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.