Home / 804,624.42-1,110,401.28-442,071.78

Finding the Fourth Proportional to 804,624.42, 1,110,401.28 and 442,071.78

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Solution

The fourth proportional to 804,624.42, 1,110,401.28 and 442,071.78 is: 610,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,624.42 : 1,110,401.28 = 442,071.78 : x
  2. Step 2: Convert to fraction form
    804,624.42/1,110,401.28 = 442,071.78/x
  3. Step 3: Cross multiply
    804,624.42x = 1,110,401.28 × 442,071.78
  4. Step 4: Simplify right side
    804,624.42x = 490,877,070,363.88
  5. Step 5: Solve for x
    x = 490,877,070,363.88/804,624.42
  6. Step 6: Final answer
    x = 610,069.81

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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.