Home / 668,504.80-1,003,063.38-289,541.44

Finding the Fourth Proportional to 668,504.80, 1,003,063.38 and 289,541.44

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Solution

The fourth proportional to 668,504.80, 1,003,063.38 and 289,541.44 is: 434,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,504.80 : 1,003,063.38 = 289,541.44 : x
  2. Step 2: Convert to fraction form
    668,504.80/1,003,063.38 = 289,541.44/x
  3. Step 3: Cross multiply
    668,504.80x = 1,003,063.38 × 289,541.44
  4. Step 4: Simplify right side
    668,504.80x = 290,428,415,456.47
  5. Step 5: Solve for x
    x = 290,428,415,456.47/668,504.80
  6. Step 6: Final answer
    x = 434,444.77

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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.