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Finding the Fourth Proportional to 488,856, 729,939.72 and 437,926.24

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Solution

The fourth proportional to 488,856, 729,939.72 and 437,926.24 is: 653,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,856 : 729,939.72 = 437,926.24 : x
  2. Step 2: Convert to fraction form
    488,856/729,939.72 = 437,926.24/x
  3. Step 3: Cross multiply
    488,856x = 729,939.72 × 437,926.24
  4. Step 4: Simplify right side
    488,856x = 319,659,757,006.25
  5. Step 5: Solve for x
    x = 319,659,757,006.25/488,856
  6. Step 6: Final answer
    x = 653,893.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.