Home / 740,618.08-1,021,288.56-633,542.56

Finding the Fourth Proportional to 740,618.08, 1,021,288.56 and 633,542.56

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Solution

The fourth proportional to 740,618.08, 1,021,288.56 and 633,542.56 is: 873,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,618.08 : 1,021,288.56 = 633,542.56 : x
  2. Step 2: Convert to fraction form
    740,618.08/1,021,288.56 = 633,542.56/x
  3. Step 3: Cross multiply
    740,618.08x = 1,021,288.56 × 633,542.56
  4. Step 4: Simplify right side
    740,618.08x = 647,029,768,801.11
  5. Step 5: Solve for x
    x = 647,029,768,801.11/740,618.08
  6. Step 6: Final answer
    x = 873,634.85

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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.