Home / 852,984.04-1,279,738.86-613,638.76

Finding the Fourth Proportional to 852,984.04, 1,279,738.86 and 613,638.76

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Solution

The fourth proportional to 852,984.04, 1,279,738.86 and 613,638.76 is: 920,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,984.04 : 1,279,738.86 = 613,638.76 : x
  2. Step 2: Convert to fraction form
    852,984.04/1,279,738.86 = 613,638.76/x
  3. Step 3: Cross multiply
    852,984.04x = 1,279,738.86 × 613,638.76
  4. Step 4: Simplify right side
    852,984.04x = 785,297,367,174.21
  5. Step 5: Solve for x
    x = 785,297,367,174.21/852,984.04
  6. Step 6: Final answer
    x = 920,647.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.