Home / 502,973.12-694,117.44-276,633.20

Finding the Fourth Proportional to 502,973.12, 694,117.44 and 276,633.20

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Solution

The fourth proportional to 502,973.12, 694,117.44 and 276,633.20 is: 381,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,973.12 : 694,117.44 = 276,633.20 : x
  2. Step 2: Convert to fraction form
    502,973.12/694,117.44 = 276,633.20/x
  3. Step 3: Cross multiply
    502,973.12x = 694,117.44 × 276,633.20
  4. Step 4: Simplify right side
    502,973.12x = 192,015,928,603.01
  5. Step 5: Solve for x
    x = 192,015,928,603.01/502,973.12
  6. Step 6: Final answer
    x = 381,761.81

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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.