Home / 755,817.24-1,133,718.82-306,431.29

Finding the Fourth Proportional to 755,817.24, 1,133,718.82 and 306,431.29

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Solution

The fourth proportional to 755,817.24, 1,133,718.82 and 306,431.29 is: 459,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,817.24 : 1,133,718.82 = 306,431.29 : x
  2. Step 2: Convert to fraction form
    755,817.24/1,133,718.82 = 306,431.29/x
  3. Step 3: Cross multiply
    755,817.24x = 1,133,718.82 × 306,431.29
  4. Step 4: Simplify right side
    755,817.24x = 347,406,921,160.95
  5. Step 5: Solve for x
    x = 347,406,921,160.95/755,817.24
  6. Step 6: Final answer
    x = 459,644.08

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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.