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Finding the Fourth Proportional to 646,573.70, 969,800.72 and 304,938.79

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Solution

The fourth proportional to 646,573.70, 969,800.72 and 304,938.79 is: 457,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,573.70 : 969,800.72 = 304,938.79 : x
  2. Step 2: Convert to fraction form
    646,573.70/969,800.72 = 304,938.79/x
  3. Step 3: Cross multiply
    646,573.70x = 969,800.72 × 304,938.79
  4. Step 4: Simplify right side
    646,573.70x = 295,729,854,148.73
  5. Step 5: Solve for x
    x = 295,729,854,148.73/646,573.70
  6. Step 6: Final answer
    x = 457,379.96

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1.5x scale

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.