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Finding the Fourth Proportional to 576,051.30, 864,076.95 and 513,065.70

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Solution

The fourth proportional to 576,051.30, 864,076.95 and 513,065.70 is: 769,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,051.30 : 864,076.95 = 513,065.70 : x
  2. Step 2: Convert to fraction form
    576,051.30/864,076.95 = 513,065.70/x
  3. Step 3: Cross multiply
    576,051.30x = 864,076.95 × 513,065.70
  4. Step 4: Simplify right side
    576,051.30x = 443,328,245,205.62
  5. Step 5: Solve for x
    x = 443,328,245,205.62/576,051.30
  6. Step 6: Final answer
    x = 769,598.55

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Similar ratio
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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.