Home / 804,940.32-1,110,838.08-442,373.38

Finding the Fourth Proportional to 804,940.32, 1,110,838.08 and 442,373.38

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Solution

The fourth proportional to 804,940.32, 1,110,838.08 and 442,373.38 is: 610,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,940.32 : 1,110,838.08 = 442,373.38 : x
  2. Step 2: Convert to fraction form
    804,940.32/1,110,838.08 = 442,373.38/x
  3. Step 3: Cross multiply
    804,940.32x = 1,110,838.08 × 442,373.38
  4. Step 4: Simplify right side
    804,940.32x = 491,405,196,082.31
  5. Step 5: Solve for x
    x = 491,405,196,082.31/804,940.32
  6. Step 6: Final answer
    x = 610,486.50

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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.