Home / 664,463.20-917,046.84-377,927.96

Finding the Fourth Proportional to 664,463.20, 917,046.84 and 377,927.96

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Solution

The fourth proportional to 664,463.20, 917,046.84 and 377,927.96 is: 521,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,463.20 : 917,046.84 = 377,927.96 : x
  2. Step 2: Convert to fraction form
    664,463.20/917,046.84 = 377,927.96/x
  3. Step 3: Cross multiply
    664,463.20x = 917,046.84 × 377,927.96
  4. Step 4: Simplify right side
    664,463.20x = 346,577,641,465.65
  5. Step 5: Solve for x
    x = 346,577,641,465.65/664,463.20
  6. Step 6: Final answer
    x = 521,590.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.