Home / 754,028.34-1,039,787.73-499,286.58

Finding the Fourth Proportional to 754,028.34, 1,039,787.73 and 499,286.58

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Solution

The fourth proportional to 754,028.34, 1,039,787.73 and 499,286.58 is: 688,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,028.34 : 1,039,787.73 = 499,286.58 : x
  2. Step 2: Convert to fraction form
    754,028.34/1,039,787.73 = 499,286.58/x
  3. Step 3: Cross multiply
    754,028.34x = 1,039,787.73 × 499,286.58
  4. Step 4: Simplify right side
    754,028.34x = 519,152,059,637.66
  5. Step 5: Solve for x
    x = 519,152,059,637.66/754,028.34
  6. Step 6: Final answer
    x = 688,504.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.