Home / 918,969.68-1,377,936.12-357,361.04

Finding the Fourth Proportional to 918,969.68, 1,377,936.12 and 357,361.04

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Solution

The fourth proportional to 918,969.68, 1,377,936.12 and 357,361.04 is: 535,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,969.68 : 1,377,936.12 = 357,361.04 : x
  2. Step 2: Convert to fraction form
    918,969.68/1,377,936.12 = 357,361.04/x
  3. Step 3: Cross multiply
    918,969.68x = 1,377,936.12 × 357,361.04
  4. Step 4: Simplify right side
    918,969.68x = 492,420,684,896.77
  5. Step 5: Solve for x
    x = 492,420,684,896.77/918,969.68
  6. Step 6: Final answer
    x = 535,839.97

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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.