Home / 695,856.09-1,043,621.31-392,381.29

Finding the Fourth Proportional to 695,856.09, 1,043,621.31 and 392,381.29

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Solution

The fourth proportional to 695,856.09, 1,043,621.31 and 392,381.29 is: 588,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,856.09 : 1,043,621.31 = 392,381.29 : x
  2. Step 2: Convert to fraction form
    695,856.09/1,043,621.31 = 392,381.29/x
  3. Step 3: Cross multiply
    695,856.09x = 1,043,621.31 × 392,381.29
  4. Step 4: Simplify right side
    695,856.09x = 409,497,475,889.29
  5. Step 5: Solve for x
    x = 409,497,475,889.29/695,856.09
  6. Step 6: Final answer
    x = 588,480.12

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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.