Home / 728,775.84-1,092,900.96-308,084.16

Finding the Fourth Proportional to 728,775.84, 1,092,900.96 and 308,084.16

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Solution

The fourth proportional to 728,775.84, 1,092,900.96 and 308,084.16 is: 462,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,775.84 : 1,092,900.96 = 308,084.16 : x
  2. Step 2: Convert to fraction form
    728,775.84/1,092,900.96 = 308,084.16/x
  3. Step 3: Cross multiply
    728,775.84x = 1,092,900.96 × 308,084.16
  4. Step 4: Simplify right side
    728,775.84x = 336,705,474,224.79
  5. Step 5: Solve for x
    x = 336,705,474,224.79/728,775.84
  6. Step 6: Final answer
    x = 462,015.14

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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.