Home / 945,345.24-1,304,591.82-515,625.26

Finding the Fourth Proportional to 945,345.24, 1,304,591.82 and 515,625.26

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Solution

The fourth proportional to 945,345.24, 1,304,591.82 and 515,625.26 is: 711,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,345.24 : 1,304,591.82 = 515,625.26 : x
  2. Step 2: Convert to fraction form
    945,345.24/1,304,591.82 = 515,625.26/x
  3. Step 3: Cross multiply
    945,345.24x = 1,304,591.82 × 515,625.26
  4. Step 4: Simplify right side
    945,345.24x = 672,680,496,381.37
  5. Step 5: Solve for x
    x = 672,680,496,381.37/945,345.24
  6. Step 6: Final answer
    x = 711,571.25

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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.