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Finding the Fourth Proportional to 658,480.80, 986,933.76 and 303,137.04

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Solution

The fourth proportional to 658,480.80, 986,933.76 and 303,137.04 is: 454,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,480.80 : 986,933.76 = 303,137.04 : x
  2. Step 2: Convert to fraction form
    658,480.80/986,933.76 = 303,137.04/x
  3. Step 3: Cross multiply
    658,480.80x = 986,933.76 × 303,137.04
  4. Step 4: Simplify right side
    658,480.80x = 299,176,178,682.47
  5. Step 5: Solve for x
    x = 299,176,178,682.47/658,480.80
  6. Step 6: Final answer
    x = 454,343.06

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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.