Home / 804,929.76-1,110,808.32-442,383.48

Finding the Fourth Proportional to 804,929.76, 1,110,808.32 and 442,383.48

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Solution

The fourth proportional to 804,929.76, 1,110,808.32 and 442,383.48 is: 610,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,929.76 : 1,110,808.32 = 442,383.48 : x
  2. Step 2: Convert to fraction form
    804,929.76/1,110,808.32 = 442,383.48/x
  3. Step 3: Cross multiply
    804,929.76x = 1,110,808.32 × 442,383.48
  4. Step 4: Simplify right side
    804,929.76x = 491,403,250,214.55
  5. Step 5: Solve for x
    x = 491,403,250,214.55/804,929.76
  6. Step 6: Final answer
    x = 610,492.09

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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.