Home / 631,059.24-870,858.36-344,579.52

Finding the Fourth Proportional to 631,059.24, 870,858.36 and 344,579.52

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Solution

The fourth proportional to 631,059.24, 870,858.36 and 344,579.52 is: 475,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,059.24 : 870,858.36 = 344,579.52 : x
  2. Step 2: Convert to fraction form
    631,059.24/870,858.36 = 344,579.52/x
  3. Step 3: Cross multiply
    631,059.24x = 870,858.36 × 344,579.52
  4. Step 4: Simplify right side
    631,059.24x = 300,079,955,676.79
  5. Step 5: Solve for x
    x = 300,079,955,676.79/631,059.24
  6. Step 6: Final answer
    x = 475,517.89

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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.