Home / 804,930.28-1,110,750.09-442,346.35

Finding the Fourth Proportional to 804,930.28, 1,110,750.09 and 442,346.35

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Solution

The fourth proportional to 804,930.28, 1,110,750.09 and 442,346.35 is: 610,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,930.28 : 1,110,750.09 = 442,346.35 : x
  2. Step 2: Convert to fraction form
    804,930.28/1,110,750.09 = 442,346.35/x
  3. Step 3: Cross multiply
    804,930.28x = 1,110,750.09 × 442,346.35
  4. Step 4: Simplify right side
    804,930.28x = 491,336,248,073.67
  5. Step 5: Solve for x
    x = 491,336,248,073.67/804,930.28
  6. Step 6: Final answer
    x = 610,408.45

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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.