Home / 874,354.96-1,311,579.24-275,362.76

Finding the Fourth Proportional to 874,354.96, 1,311,579.24 and 275,362.76

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Solution

The fourth proportional to 874,354.96, 1,311,579.24 and 275,362.76 is: 413,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,354.96 : 1,311,579.24 = 275,362.76 : x
  2. Step 2: Convert to fraction form
    874,354.96/1,311,579.24 = 275,362.76/x
  3. Step 3: Cross multiply
    874,354.96x = 1,311,579.24 × 275,362.76
  4. Step 4: Simplify right side
    874,354.96x = 361,160,074,353.81
  5. Step 5: Solve for x
    x = 361,160,074,353.81/874,354.96
  6. Step 6: Final answer
    x = 413,058.88

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1.5x scale

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.