Home / 804,200.44-1,109,519.16-513,981.88

Finding the Fourth Proportional to 804,200.44, 1,109,519.16 and 513,981.88

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Solution

The fourth proportional to 804,200.44, 1,109,519.16 and 513,981.88 is: 709,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,200.44 : 1,109,519.16 = 513,981.88 : x
  2. Step 2: Convert to fraction form
    804,200.44/1,109,519.16 = 513,981.88/x
  3. Step 3: Cross multiply
    804,200.44x = 1,109,519.16 × 513,981.88
  4. Step 4: Simplify right side
    804,200.44x = 570,272,743,752.82
  5. Step 5: Solve for x
    x = 570,272,743,752.82/804,200.44
  6. Step 6: Final answer
    x = 709,117.67

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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.