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Finding the Fourth Proportional to 569,725.70, 853,897.35 and 253,847.30

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Solution

The fourth proportional to 569,725.70, 853,897.35 and 253,847.30 is: 380,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,725.70 : 853,897.35 = 253,847.30 : x
  2. Step 2: Convert to fraction form
    569,725.70/853,897.35 = 253,847.30/x
  3. Step 3: Cross multiply
    569,725.70x = 853,897.35 × 253,847.30
  4. Step 4: Simplify right side
    569,725.70x = 216,759,536,774.66
  5. Step 5: Solve for x
    x = 216,759,536,774.66/569,725.70
  6. Step 6: Final answer
    x = 380,462.98

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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.