Home / 875,920.23-1,313,472.11-455,083.11

Finding the Fourth Proportional to 875,920.23, 1,313,472.11 and 455,083.11

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Solution

The fourth proportional to 875,920.23, 1,313,472.11 and 455,083.11 is: 682,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,920.23 : 1,313,472.11 = 455,083.11 : x
  2. Step 2: Convert to fraction form
    875,920.23/1,313,472.11 = 455,083.11/x
  3. Step 3: Cross multiply
    875,920.23x = 1,313,472.11 × 455,083.11
  4. Step 4: Simplify right side
    875,920.23x = 597,738,970,441.65
  5. Step 5: Solve for x
    x = 597,738,970,441.65/875,920.23
  6. Step 6: Final answer
    x = 682,412.56

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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.