Home / 747,805.51-1,121,856.21-274,494.97

Finding the Fourth Proportional to 747,805.51, 1,121,856.21 and 274,494.97

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Solution

The fourth proportional to 747,805.51, 1,121,856.21 and 274,494.97 is: 411,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,805.51 : 1,121,856.21 = 274,494.97 : x
  2. Step 2: Convert to fraction form
    747,805.51/1,121,856.21 = 274,494.97/x
  3. Step 3: Cross multiply
    747,805.51x = 1,121,856.21 × 274,494.97
  4. Step 4: Simplify right side
    747,805.51x = 307,943,886,708.26
  5. Step 5: Solve for x
    x = 307,943,886,708.26/747,805.51
  6. Step 6: Final answer
    x = 411,796.76

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1.5x scale

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.