Home / 840,891.60-1,260,587.48-308,288.52

Finding the Fourth Proportional to 840,891.60, 1,260,587.48 and 308,288.52

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Solution

The fourth proportional to 840,891.60, 1,260,587.48 and 308,288.52 is: 462,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,891.60 : 1,260,587.48 = 308,288.52 : x
  2. Step 2: Convert to fraction form
    840,891.60/1,260,587.48 = 308,288.52/x
  3. Step 3: Cross multiply
    840,891.60x = 1,260,587.48 × 308,288.52
  4. Step 4: Simplify right side
    840,891.60x = 388,624,646,998.29
  5. Step 5: Solve for x
    x = 388,624,646,998.29/840,891.60
  6. Step 6: Final answer
    x = 462,157.84

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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.