Home / 502,938.79-694,041.69-276,584.29

Finding the Fourth Proportional to 502,938.79, 694,041.69 and 276,584.29

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Solution

The fourth proportional to 502,938.79, 694,041.69 and 276,584.29 is: 381,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,938.79 : 694,041.69 = 276,584.29 : x
  2. Step 2: Convert to fraction form
    502,938.79/694,041.69 = 276,584.29/x
  3. Step 3: Cross multiply
    502,938.79x = 694,041.69 × 276,584.29
  4. Step 4: Simplify right side
    502,938.79x = 191,961,028,059.05
  5. Step 5: Solve for x
    x = 191,961,028,059.05/502,938.79
  6. Step 6: Final answer
    x = 381,678.71

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1.5x scale

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.