Home / 829,220.38-1,243,826.34-323,832.67

Finding the Fourth Proportional to 829,220.38, 1,243,826.34 and 323,832.67

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Solution

The fourth proportional to 829,220.38, 1,243,826.34 and 323,832.67 is: 485,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,220.38 : 1,243,826.34 = 323,832.67 : x
  2. Step 2: Convert to fraction form
    829,220.38/1,243,826.34 = 323,832.67/x
  3. Step 3: Cross multiply
    829,220.38x = 1,243,826.34 × 323,832.67
  4. Step 4: Simplify right side
    829,220.38x = 402,791,604,698.53
  5. Step 5: Solve for x
    x = 402,791,604,698.53/829,220.38
  6. Step 6: Final answer
    x = 485,747.35

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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.