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Finding the Fourth Proportional to 658,580.67, 987,855.21 and 303,594.53

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Solution

The fourth proportional to 658,580.67, 987,855.21 and 303,594.53 is: 455,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,580.67 : 987,855.21 = 303,594.53 : x
  2. Step 2: Convert to fraction form
    658,580.67/987,855.21 = 303,594.53/x
  3. Step 3: Cross multiply
    658,580.67x = 987,855.21 × 303,594.53
  4. Step 4: Simplify right side
    658,580.67x = 299,907,433,248.73
  5. Step 5: Solve for x
    x = 299,907,433,248.73/658,580.67
  6. Step 6: Final answer
    x = 455,384.51

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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.