Home / 804,914.38-1,110,728.14-442,330.44

Finding the Fourth Proportional to 804,914.38, 1,110,728.14 and 442,330.44

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Solution

The fourth proportional to 804,914.38, 1,110,728.14 and 442,330.44 is: 610,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,914.38 : 1,110,728.14 = 442,330.44 : x
  2. Step 2: Convert to fraction form
    804,914.38/1,110,728.14 = 442,330.44/x
  3. Step 3: Cross multiply
    804,914.38x = 1,110,728.14 × 442,330.44
  4. Step 4: Simplify right side
    804,914.38x = 491,308,864,103.63
  5. Step 5: Solve for x
    x = 491,308,864,103.63/804,914.38
  6. Step 6: Final answer
    x = 610,386.49

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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.