Home / 818,433.72-1,129,047.35-635,896.38

Finding the Fourth Proportional to 818,433.72, 1,129,047.35 and 635,896.38

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Solution

The fourth proportional to 818,433.72, 1,129,047.35 and 635,896.38 is: 877,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,433.72 : 1,129,047.35 = 635,896.38 : x
  2. Step 2: Convert to fraction form
    818,433.72/1,129,047.35 = 635,896.38/x
  3. Step 3: Cross multiply
    818,433.72x = 1,129,047.35 × 635,896.38
  4. Step 4: Simplify right side
    818,433.72x = 717,957,118,658.10
  5. Step 5: Solve for x
    x = 717,957,118,658.10/818,433.72
  6. Step 6: Final answer
    x = 877,233.06

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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.