Home / 1,077,459.20-1,615,929.60-329,511.68

Finding the Fourth Proportional to 1,077,459.20, 1,615,929.60 and 329,511.68

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Solution

The fourth proportional to 1,077,459.20, 1,615,929.60 and 329,511.68 is: 494,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,459.20 : 1,615,929.60 = 329,511.68 : x
  2. Step 2: Convert to fraction form
    1,077,459.20/1,615,929.60 = 329,511.68/x
  3. Step 3: Cross multiply
    1,077,459.20x = 1,615,929.60 × 329,511.68
  4. Step 4: Simplify right side
    1,077,459.20x = 532,467,677,257.73
  5. Step 5: Solve for x
    x = 532,467,677,257.73/1,077,459.20
  6. Step 6: Final answer
    x = 494,188.25

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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.