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Finding the Fourth Proportional to 488,511, 674,133.12 and 273,649.68

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Solution

The fourth proportional to 488,511, 674,133.12 and 273,649.68 is: 377,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,511 : 674,133.12 = 273,649.68 : x
  2. Step 2: Convert to fraction form
    488,511/674,133.12 = 273,649.68/x
  3. Step 3: Cross multiply
    488,511x = 674,133.12 × 273,649.68
  4. Step 4: Simplify right side
    488,511x = 184,476,312,565.40
  5. Step 5: Solve for x
    x = 184,476,312,565.40/488,511
  6. Step 6: Final answer
    x = 377,629.80

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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.