Home / 814,939.58-1,124,667.48-470,789.97

Finding the Fourth Proportional to 814,939.58, 1,124,667.48 and 470,789.97

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Solution

The fourth proportional to 814,939.58, 1,124,667.48 and 470,789.97 is: 649,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,939.58 : 1,124,667.48 = 470,789.97 : x
  2. Step 2: Convert to fraction form
    814,939.58/1,124,667.48 = 470,789.97/x
  3. Step 3: Cross multiply
    814,939.58x = 1,124,667.48 × 470,789.97
  4. Step 4: Simplify right side
    814,939.58x = 529,482,173,043.39
  5. Step 5: Solve for x
    x = 529,482,173,043.39/814,939.58
  6. Step 6: Final answer
    x = 649,719.54

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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.