Home / 756,825-1,136,523-505,718.88

Finding the Fourth Proportional to 756,825, 1,136,523 and 505,718.88

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Solution

The fourth proportional to 756,825, 1,136,523 and 505,718.88 is: 759,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,825 : 1,136,523 = 505,718.88 : x
  2. Step 2: Convert to fraction form
    756,825/1,136,523 = 505,718.88/x
  3. Step 3: Cross multiply
    756,825x = 1,136,523 × 505,718.88
  4. Step 4: Simplify right side
    756,825x = 574,761,138,654.24
  5. Step 5: Solve for x
    x = 574,761,138,654.24/756,825
  6. Step 6: Final answer
    x = 759,437.31

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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.