Home / 804,200.43-1,109,519.17-513,981.87

Finding the Fourth Proportional to 804,200.43, 1,109,519.17 and 513,981.87

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Solution

The fourth proportional to 804,200.43, 1,109,519.17 and 513,981.87 is: 709,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,200.43 : 1,109,519.17 = 513,981.87 : x
  2. Step 2: Convert to fraction form
    804,200.43/1,109,519.17 = 513,981.87/x
  3. Step 3: Cross multiply
    804,200.43x = 1,109,519.17 × 513,981.87
  4. Step 4: Simplify right side
    804,200.43x = 570,272,737,797.45
  5. Step 5: Solve for x
    x = 570,272,737,797.45/804,200.43
  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.