Home / 804,970.92-1,110,837.30-442,394.64

Finding the Fourth Proportional to 804,970.92, 1,110,837.30 and 442,394.64

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Solution

The fourth proportional to 804,970.92, 1,110,837.30 and 442,394.64 is: 610,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,970.92 : 1,110,837.30 = 442,394.64 : x
  2. Step 2: Convert to fraction form
    804,970.92/1,110,837.30 = 442,394.64/x
  3. Step 3: Cross multiply
    804,970.92x = 1,110,837.30 × 442,394.64
  4. Step 4: Simplify right side
    804,970.92x = 491,428,467,432.07
  5. Step 5: Solve for x
    x = 491,428,467,432.07/804,970.92
  6. Step 6: Final answer
    x = 610,492.20

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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.