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Finding the Fourth Proportional to 637,898.40, 956,515.36 and 300,848.55

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Solution

The fourth proportional to 637,898.40, 956,515.36 and 300,848.55 is: 451,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,898.40 : 956,515.36 = 300,848.55 : x
  2. Step 2: Convert to fraction form
    637,898.40/956,515.36 = 300,848.55/x
  3. Step 3: Cross multiply
    637,898.40x = 956,515.36 × 300,848.55
  4. Step 4: Simplify right side
    637,898.40x = 287,766,259,108.73
  5. Step 5: Solve for x
    x = 287,766,259,108.73/637,898.40
  6. Step 6: Final answer
    x = 451,116.13

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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.