Home / 684,824.73-1,026,569.24-285,579.78

Finding the Fourth Proportional to 684,824.73, 1,026,569.24 and 285,579.78

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Solution

The fourth proportional to 684,824.73, 1,026,569.24 and 285,579.78 is: 428,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,824.73 : 1,026,569.24 = 285,579.78 : x
  2. Step 2: Convert to fraction form
    684,824.73/1,026,569.24 = 285,579.78/x
  3. Step 3: Cross multiply
    684,824.73x = 1,026,569.24 × 285,579.78
  4. Step 4: Simplify right side
    684,824.73x = 293,167,412,581.12
  5. Step 5: Solve for x
    x = 293,167,412,581.12/684,824.73
  6. Step 6: Final answer
    x = 428,091.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.