Home / 774,101.06-1,161,224.88-300,822.92

Finding the Fourth Proportional to 774,101.06, 1,161,224.88 and 300,822.92

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Solution

The fourth proportional to 774,101.06, 1,161,224.88 and 300,822.92 is: 451,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,101.06 : 1,161,224.88 = 300,822.92 : x
  2. Step 2: Convert to fraction form
    774,101.06/1,161,224.88 = 300,822.92/x
  3. Step 3: Cross multiply
    774,101.06x = 1,161,224.88 × 300,822.92
  4. Step 4: Simplify right side
    774,101.06x = 349,323,059,178.25
  5. Step 5: Solve for x
    x = 349,323,059,178.25/774,101.06
  6. Step 6: Final answer
    x = 451,262.86

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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.