Home / 502,934.80-694,036.16-276,580.28

Finding the Fourth Proportional to 502,934.80, 694,036.16 and 276,580.28

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Solution

The fourth proportional to 502,934.80, 694,036.16 and 276,580.28 is: 381,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,934.80 : 694,036.16 = 276,580.28 : x
  2. Step 2: Convert to fraction form
    502,934.80/694,036.16 = 276,580.28/x
  3. Step 3: Cross multiply
    502,934.80x = 694,036.16 × 276,580.28
  4. Step 4: Simplify right side
    502,934.80x = 191,956,715,462.93
  5. Step 5: Solve for x
    x = 191,956,715,462.93/502,934.80
  6. Step 6: Final answer
    x = 381,673.16

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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.