Home / 864,459.26-1,295,802.08-331,836.86

Finding the Fourth Proportional to 864,459.26, 1,295,802.08 and 331,836.86

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Solution

The fourth proportional to 864,459.26, 1,295,802.08 and 331,836.86 is: 497,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,459.26 : 1,295,802.08 = 331,836.86 : x
  2. Step 2: Convert to fraction form
    864,459.26/1,295,802.08 = 331,836.86/x
  3. Step 3: Cross multiply
    864,459.26x = 1,295,802.08 × 331,836.86
  4. Step 4: Simplify right side
    864,459.26x = 429,994,893,408.67
  5. Step 5: Solve for x
    x = 429,994,893,408.67/864,459.26
  6. Step 6: Final answer
    x = 497,414.87

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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.