Home / 823,342.40-1,234,706.40-324,603.20

Finding the Fourth Proportional to 823,342.40, 1,234,706.40 and 324,603.20

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Solution

The fourth proportional to 823,342.40, 1,234,706.40 and 324,603.20 is: 486,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,342.40 : 1,234,706.40 = 324,603.20 : x
  2. Step 2: Convert to fraction form
    823,342.40/1,234,706.40 = 324,603.20/x
  3. Step 3: Cross multiply
    823,342.40x = 1,234,706.40 × 324,603.20
  4. Step 4: Simplify right side
    823,342.40x = 400,789,648,500.48
  5. Step 5: Solve for x
    x = 400,789,648,500.48/823,342.40
  6. Step 6: Final answer
    x = 486,783.69

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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.