Home / 677,740.49-1,015,949.76-322,659.17

Finding the Fourth Proportional to 677,740.49, 1,015,949.76 and 322,659.17

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Solution

The fourth proportional to 677,740.49, 1,015,949.76 and 322,659.17 is: 483,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,740.49 : 1,015,949.76 = 322,659.17 : x
  2. Step 2: Convert to fraction form
    677,740.49/1,015,949.76 = 322,659.17/x
  3. Step 3: Cross multiply
    677,740.49x = 1,015,949.76 × 322,659.17
  4. Step 4: Simplify right side
    677,740.49x = 327,805,501,243.55
  5. Step 5: Solve for x
    x = 327,805,501,243.55/677,740.49
  6. Step 6: Final answer
    x = 483,674.07

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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.