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Finding the Fourth Proportional to 576,003.34, 794,885.10 and 321,354.58

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Solution

The fourth proportional to 576,003.34, 794,885.10 and 321,354.58 is: 443,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,003.34 : 794,885.10 = 321,354.58 : x
  2. Step 2: Convert to fraction form
    576,003.34/794,885.10 = 321,354.58/x
  3. Step 3: Cross multiply
    576,003.34x = 794,885.10 × 321,354.58
  4. Step 4: Simplify right side
    576,003.34x = 255,439,967,458.76
  5. Step 5: Solve for x
    x = 255,439,967,458.76/576,003.34
  6. Step 6: Final answer
    x = 443,469.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.