Home / 684,278.72-1,026,460.08-263,555.84

Finding the Fourth Proportional to 684,278.72, 1,026,460.08 and 263,555.84

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Solution

The fourth proportional to 684,278.72, 1,026,460.08 and 263,555.84 is: 395,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,278.72 : 1,026,460.08 = 263,555.84 : x
  2. Step 2: Convert to fraction form
    684,278.72/1,026,460.08 = 263,555.84/x
  3. Step 3: Cross multiply
    684,278.72x = 1,026,460.08 × 263,555.84
  4. Step 4: Simplify right side
    684,278.72x = 270,529,548,610.87
  5. Step 5: Solve for x
    x = 270,529,548,610.87/684,278.72
  6. Step 6: Final answer
    x = 395,349.94

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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.