Home / 903,535.78-1,354,629.48-543,622.28

Finding the Fourth Proportional to 903,535.78, 1,354,629.48 and 543,622.28

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Solution

The fourth proportional to 903,535.78, 1,354,629.48 and 543,622.28 is: 815,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,535.78 : 1,354,629.48 = 543,622.28 : x
  2. Step 2: Convert to fraction form
    903,535.78/1,354,629.48 = 543,622.28/x
  3. Step 3: Cross multiply
    903,535.78x = 1,354,629.48 × 543,622.28
  4. Step 4: Simplify right side
    903,535.78x = 736,406,766,472.82
  5. Step 5: Solve for x
    x = 736,406,766,472.82/903,535.78
  6. Step 6: Final answer
    x = 815,027.79

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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.