Home / 491,815.80-737,723.70-488,705.40

Finding the Fourth Proportional to 491,815.80, 737,723.70 and 488,705.40

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Solution

The fourth proportional to 491,815.80, 737,723.70 and 488,705.40 is: 733,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,815.80 : 737,723.70 = 488,705.40 : x
  2. Step 2: Convert to fraction form
    491,815.80/737,723.70 = 488,705.40/x
  3. Step 3: Cross multiply
    491,815.80x = 737,723.70 × 488,705.40
  4. Step 4: Simplify right side
    491,815.80x = 360,529,555,897.98
  5. Step 5: Solve for x
    x = 360,529,555,897.98/491,815.80
  6. Step 6: Final answer
    x = 733,058.10

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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.