Home / 804,632.76-1,110,393.92-442,057.32

Finding the Fourth Proportional to 804,632.76, 1,110,393.92 and 442,057.32

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Solution

The fourth proportional to 804,632.76, 1,110,393.92 and 442,057.32 is: 610,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,632.76 : 1,110,393.92 = 442,057.32 : x
  2. Step 2: Convert to fraction form
    804,632.76/1,110,393.92 = 442,057.32/x
  3. Step 3: Cross multiply
    804,632.76x = 1,110,393.92 × 442,057.32
  4. Step 4: Simplify right side
    804,632.76x = 490,857,760,419.49
  5. Step 5: Solve for x
    x = 490,857,760,419.49/804,632.76
  6. Step 6: Final answer
    x = 610,039.49

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Double scale
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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.