Home / 753,786.60-1,128,711.60-486,097.80

Finding the Fourth Proportional to 753,786.60, 1,128,711.60 and 486,097.80

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Solution

The fourth proportional to 753,786.60, 1,128,711.60 and 486,097.80 is: 727,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,786.60 : 1,128,711.60 = 486,097.80 : x
  2. Step 2: Convert to fraction form
    753,786.60/1,128,711.60 = 486,097.80/x
  3. Step 3: Cross multiply
    753,786.60x = 1,128,711.60 × 486,097.80
  4. Step 4: Simplify right side
    753,786.60x = 548,664,225,594.48
  5. Step 5: Solve for x
    x = 548,664,225,594.48/753,786.60
  6. Step 6: Final answer
    x = 727,877.39

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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.