Home / 829,221.38-1,243,827.84-323,833.67

Finding the Fourth Proportional to 829,221.38, 1,243,827.84 and 323,833.67

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Solution

The fourth proportional to 829,221.38, 1,243,827.84 and 323,833.67 is: 485,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,221.38 : 1,243,827.84 = 323,833.67 : x
  2. Step 2: Convert to fraction form
    829,221.38/1,243,827.84 = 323,833.67/x
  3. Step 3: Cross multiply
    829,221.38x = 1,243,827.84 × 323,833.67
  4. Step 4: Simplify right side
    829,221.38x = 402,793,334,275.37
  5. Step 5: Solve for x
    x = 402,793,334,275.37/829,221.38
  6. Step 6: Final answer
    x = 485,748.85

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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.