Home / 484,760.18-668,969.06-280,850.51

Finding the Fourth Proportional to 484,760.18, 668,969.06 and 280,850.51

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Solution

The fourth proportional to 484,760.18, 668,969.06 and 280,850.51 is: 387,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,760.18 : 668,969.06 = 280,850.51 : x
  2. Step 2: Convert to fraction form
    484,760.18/668,969.06 = 280,850.51/x
  3. Step 3: Cross multiply
    484,760.18x = 668,969.06 × 280,850.51
  4. Step 4: Simplify right side
    484,760.18x = 187,880,296,926.12
  5. Step 5: Solve for x
    x = 187,880,296,926.12/484,760.18
  6. Step 6: Final answer
    x = 387,573.70

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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.