Home / 850,943.60-1,276,415.40-377,676.80

Finding the Fourth Proportional to 850,943.60, 1,276,415.40 and 377,676.80

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Solution

The fourth proportional to 850,943.60, 1,276,415.40 and 377,676.80 is: 566,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,943.60 : 1,276,415.40 = 377,676.80 : x
  2. Step 2: Convert to fraction form
    850,943.60/1,276,415.40 = 377,676.80/x
  3. Step 3: Cross multiply
    850,943.60x = 1,276,415.40 × 377,676.80
  4. Step 4: Simplify right side
    850,943.60x = 482,072,483,742.72
  5. Step 5: Solve for x
    x = 482,072,483,742.72/850,943.60
  6. Step 6: Final answer
    x = 566,515.20

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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.