Home / 804,939.36-1,110,815.52-442,386.48

Finding the Fourth Proportional to 804,939.36, 1,110,815.52 and 442,386.48

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Solution

The fourth proportional to 804,939.36, 1,110,815.52 and 442,386.48 is: 610,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,939.36 : 1,110,815.52 = 442,386.48 : x
  2. Step 2: Convert to fraction form
    804,939.36/1,110,815.52 = 442,386.48/x
  3. Step 3: Cross multiply
    804,939.36x = 1,110,815.52 × 442,386.48
  4. Step 4: Simplify right side
    804,939.36x = 491,409,767,822.17
  5. Step 5: Solve for x
    x = 491,409,767,822.17/804,939.36
  6. Step 6: Final answer
    x = 610,492.90

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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.