Home / 492,590.88-738,917.47-208,228.43

Finding the Fourth Proportional to 492,590.88, 738,917.47 and 208,228.43

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Solution

The fourth proportional to 492,590.88, 738,917.47 and 208,228.43 is: 312,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,590.88 : 738,917.47 = 208,228.43 : x
  2. Step 2: Convert to fraction form
    492,590.88/738,917.47 = 208,228.43/x
  3. Step 3: Cross multiply
    492,590.88x = 738,917.47 × 208,228.43
  4. Step 4: Simplify right side
    492,590.88x = 153,863,624,677.67
  5. Step 5: Solve for x
    x = 153,863,624,677.67/492,590.88
  6. Step 6: Final answer
    x = 312,355.81

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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.