Home / 682,784.38-1,023,849.36-322,655.50

Finding the Fourth Proportional to 682,784.38, 1,023,849.36 and 322,655.50

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Solution

The fourth proportional to 682,784.38, 1,023,849.36 and 322,655.50 is: 483,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,784.38 : 1,023,849.36 = 322,655.50 : x
  2. Step 2: Convert to fraction form
    682,784.38/1,023,849.36 = 322,655.50/x
  3. Step 3: Cross multiply
    682,784.38x = 1,023,849.36 × 322,655.50
  4. Step 4: Simplify right side
    682,784.38x = 330,350,627,175.48
  5. Step 5: Solve for x
    x = 330,350,627,175.48/682,784.38
  6. Step 6: Final answer
    x = 483,828.62

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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.