Home / 875,015.72-1,312,551.84-275,982.56

Finding the Fourth Proportional to 875,015.72, 1,312,551.84 and 275,982.56

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Solution

The fourth proportional to 875,015.72, 1,312,551.84 and 275,982.56 is: 413,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,015.72 : 1,312,551.84 = 275,982.56 : x
  2. Step 2: Convert to fraction form
    875,015.72/1,312,551.84 = 275,982.56/x
  3. Step 3: Cross multiply
    875,015.72x = 1,312,551.84 × 275,982.56
  4. Step 4: Simplify right side
    875,015.72x = 362,241,416,935.91
  5. Step 5: Solve for x
    x = 362,241,416,935.91/875,015.72
  6. Step 6: Final answer
    x = 413,982.75

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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.