Home / 484,621.90-668,767.12-303,433.72

Finding the Fourth Proportional to 484,621.90, 668,767.12 and 303,433.72

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Solution

The fourth proportional to 484,621.90, 668,767.12 and 303,433.72 is: 418,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,621.90 : 668,767.12 = 303,433.72 : x
  2. Step 2: Convert to fraction form
    484,621.90/668,767.12 = 303,433.72/x
  3. Step 3: Cross multiply
    484,621.90x = 668,767.12 × 303,433.72
  4. Step 4: Simplify right side
    484,621.90x = 202,926,492,604.78
  5. Step 5: Solve for x
    x = 202,926,492,604.78/484,621.90
  6. Step 6: Final answer
    x = 418,731.58

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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.