Home / 940,898.10-1,298,414.09-553,736.29

Finding the Fourth Proportional to 940,898.10, 1,298,414.09 and 553,736.29

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Solution

The fourth proportional to 940,898.10, 1,298,414.09 and 553,736.29 is: 764,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,898.10 : 1,298,414.09 = 553,736.29 : x
  2. Step 2: Convert to fraction form
    940,898.10/1,298,414.09 = 553,736.29/x
  3. Step 3: Cross multiply
    940,898.10x = 1,298,414.09 × 553,736.29
  4. Step 4: Simplify right side
    940,898.10x = 718,979,001,080.33
  5. Step 5: Solve for x
    x = 718,979,001,080.33/940,898.10
  6. Step 6: Final answer
    x = 764,141.20

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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.