Home / 829,315.36-1,243,184.88-324,200.32

Finding the Fourth Proportional to 829,315.36, 1,243,184.88 and 324,200.32

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Solution

The fourth proportional to 829,315.36, 1,243,184.88 and 324,200.32 is: 485,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,315.36 : 1,243,184.88 = 324,200.32 : x
  2. Step 2: Convert to fraction form
    829,315.36/1,243,184.88 = 324,200.32/x
  3. Step 3: Cross multiply
    829,315.36x = 1,243,184.88 × 324,200.32
  4. Step 4: Simplify right side
    829,315.36x = 403,040,935,915.16
  5. Step 5: Solve for x
    x = 403,040,935,915.16/829,315.36
  6. Step 6: Final answer
    x = 485,992.37

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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.