Home / 743,156.33-1,025,561-403,624.58

Finding the Fourth Proportional to 743,156.33, 1,025,561 and 403,624.58

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Solution

The fourth proportional to 743,156.33, 1,025,561 and 403,624.58 is: 557,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,156.33 : 1,025,561 = 403,624.58 : x
  2. Step 2: Convert to fraction form
    743,156.33/1,025,561 = 403,624.58/x
  3. Step 3: Cross multiply
    743,156.33x = 1,025,561 × 403,624.58
  4. Step 4: Simplify right side
    743,156.33x = 413,941,627,889.38
  5. Step 5: Solve for x
    x = 413,941,627,889.38/743,156.33
  6. Step 6: Final answer
    x = 557,004.78

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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.