Home / 840,891.04-1,260,586.63-308,287.96

Finding the Fourth Proportional to 840,891.04, 1,260,586.63 and 308,287.96

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Solution

The fourth proportional to 840,891.04, 1,260,586.63 and 308,287.96 is: 462,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,891.04 : 1,260,586.63 = 308,287.96 : x
  2. Step 2: Convert to fraction form
    840,891.04/1,260,586.63 = 308,287.96/x
  3. Step 3: Cross multiply
    840,891.04x = 1,260,586.63 × 308,287.96
  4. Step 4: Simplify right side
    840,891.04x = 388,623,677,799.87
  5. Step 5: Solve for x
    x = 388,623,677,799.87/840,891.04
  6. Step 6: Final answer
    x = 462,157.00

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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.