Home / 880,279.94-1,320,509.40-303,828.20

Finding the Fourth Proportional to 880,279.94, 1,320,509.40 and 303,828.20

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Solution

The fourth proportional to 880,279.94, 1,320,509.40 and 303,828.20 is: 455,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,279.94 : 1,320,509.40 = 303,828.20 : x
  2. Step 2: Convert to fraction form
    880,279.94/1,320,509.40 = 303,828.20/x
  3. Step 3: Cross multiply
    880,279.94x = 1,320,509.40 × 303,828.20
  4. Step 4: Simplify right side
    880,279.94x = 401,207,994,085.08
  5. Step 5: Solve for x
    x = 401,207,994,085.08/880,279.94
  6. Step 6: Final answer
    x = 455,773.19

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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.