Home / 498,787.25-688,079.77-294,739.45

Finding the Fourth Proportional to 498,787.25, 688,079.77 and 294,739.45

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Solution

The fourth proportional to 498,787.25, 688,079.77 and 294,739.45 is: 406,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,787.25 : 688,079.77 = 294,739.45 : x
  2. Step 2: Convert to fraction form
    498,787.25/688,079.77 = 294,739.45/x
  3. Step 3: Cross multiply
    498,787.25x = 688,079.77 × 294,739.45
  4. Step 4: Simplify right side
    498,787.25x = 202,804,250,508.88
  5. Step 5: Solve for x
    x = 202,804,250,508.88/498,787.25
  6. Step 6: Final answer
    x = 406,594.70

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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.