Home / 692,318.98-955,409.07-405,766.90

Finding the Fourth Proportional to 692,318.98, 955,409.07 and 405,766.90

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Solution

The fourth proportional to 692,318.98, 955,409.07 and 405,766.90 is: 559,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,318.98 : 955,409.07 = 405,766.90 : x
  2. Step 2: Convert to fraction form
    692,318.98/955,409.07 = 405,766.90/x
  3. Step 3: Cross multiply
    692,318.98x = 955,409.07 × 405,766.90
  4. Step 4: Simplify right side
    692,318.98x = 387,673,376,565.78
  5. Step 5: Solve for x
    x = 387,673,376,565.78/692,318.98
  6. Step 6: Final answer
    x = 559,963.53

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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.