Home / 840,894.60-1,260,591.98-308,291.52

Finding the Fourth Proportional to 840,894.60, 1,260,591.98 and 308,291.52

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Solution

The fourth proportional to 840,894.60, 1,260,591.98 and 308,291.52 is: 462,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,894.60 : 1,260,591.98 = 308,291.52 : x
  2. Step 2: Convert to fraction form
    840,894.60/1,260,591.98 = 308,291.52/x
  3. Step 3: Cross multiply
    840,894.60x = 1,260,591.98 × 308,291.52
  4. Step 4: Simplify right side
    840,894.60x = 388,629,816,072.55
  5. Step 5: Solve for x
    x = 388,629,816,072.55/840,894.60
  6. Step 6: Final answer
    x = 462,162.34

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1.5x scale

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.