Home / 498,787.75-688,080.46-294,739.95

Finding the Fourth Proportional to 498,787.75, 688,080.46 and 294,739.95

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Solution

The fourth proportional to 498,787.75, 688,080.46 and 294,739.95 is: 406,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,787.75 : 688,080.46 = 294,739.95 : x
  2. Step 2: Convert to fraction form
    498,787.75/688,080.46 = 294,739.95/x
  3. Step 3: Cross multiply
    498,787.75x = 688,080.46 × 294,739.95
  4. Step 4: Simplify right side
    498,787.75x = 202,804,798,902.68
  5. Step 5: Solve for x
    x = 202,804,798,902.68/498,787.75
  6. Step 6: Final answer
    x = 406,595.39

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Why These Related Problems?

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