Home / 726,898.56-1,090,036.80-253,443.84

Finding the Fourth Proportional to 726,898.56, 1,090,036.80 and 253,443.84

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Solution

The fourth proportional to 726,898.56, 1,090,036.80 and 253,443.84 is: 380,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,898.56 : 1,090,036.80 = 253,443.84 : x
  2. Step 2: Convert to fraction form
    726,898.56/1,090,036.80 = 253,443.84/x
  3. Step 3: Cross multiply
    726,898.56x = 1,090,036.80 × 253,443.84
  4. Step 4: Simplify right side
    726,898.56x = 276,263,112,333.31
  5. Step 5: Solve for x
    x = 276,263,112,333.31/726,898.56
  6. Step 6: Final answer
    x = 380,057.31

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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.