Home / 850,939.60-1,276,409.40-377,672.80

Finding the Fourth Proportional to 850,939.60, 1,276,409.40 and 377,672.80

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Solution

The fourth proportional to 850,939.60, 1,276,409.40 and 377,672.80 is: 566,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,939.60 : 1,276,409.40 = 377,672.80 : x
  2. Step 2: Convert to fraction form
    850,939.60/1,276,409.40 = 377,672.80/x
  3. Step 3: Cross multiply
    850,939.60x = 1,276,409.40 × 377,672.80
  4. Step 4: Simplify right side
    850,939.60x = 482,065,112,044.32
  5. Step 5: Solve for x
    x = 482,065,112,044.32/850,939.60
  6. Step 6: Final answer
    x = 566,509.20

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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.