Home / 804,668.40-1,110,460.92-442,114.88

Finding the Fourth Proportional to 804,668.40, 1,110,460.92 and 442,114.88

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Solution

The fourth proportional to 804,668.40, 1,110,460.92 and 442,114.88 is: 610,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,668.40 : 1,110,460.92 = 442,114.88 : x
  2. Step 2: Convert to fraction form
    804,668.40/1,110,460.92 = 442,114.88/x
  3. Step 3: Cross multiply
    804,668.40x = 1,110,460.92 × 442,114.88
  4. Step 4: Simplify right side
    804,668.40x = 490,951,296,390.49
  5. Step 5: Solve for x
    x = 490,951,296,390.49/804,668.40
  6. Step 6: Final answer
    x = 610,128.71

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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.