Home / 725,210.57-1,087,815.86-275,827.64

Finding the Fourth Proportional to 725,210.57, 1,087,815.86 and 275,827.64

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Solution

The fourth proportional to 725,210.57, 1,087,815.86 and 275,827.64 is: 413,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,210.57 : 1,087,815.86 = 275,827.64 : x
  2. Step 2: Convert to fraction form
    725,210.57/1,087,815.86 = 275,827.64/x
  3. Step 3: Cross multiply
    725,210.57x = 1,087,815.86 × 275,827.64
  4. Step 4: Simplify right side
    725,210.57x = 300,049,681,418.37
  5. Step 5: Solve for x
    x = 300,049,681,418.37/725,210.57
  6. Step 6: Final answer
    x = 413,741.46

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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.