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Finding the Fourth Proportional to 576,654, 795,779.34 and 318,548.70

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Solution

The fourth proportional to 576,654, 795,779.34 and 318,548.70 is: 439,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,654 : 795,779.34 = 318,548.70 : x
  2. Step 2: Convert to fraction form
    576,654/795,779.34 = 318,548.70/x
  3. Step 3: Cross multiply
    576,654x = 795,779.34 × 318,548.70
  4. Step 4: Simplify right side
    576,654x = 253,494,474,243.86
  5. Step 5: Solve for x
    x = 253,494,474,243.86/576,654
  6. Step 6: Final answer
    x = 439,595.45

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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.