Home / 802,741.04-1,107,795.12-440,198

Finding the Fourth Proportional to 802,741.04, 1,107,795.12 and 440,198

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Solution

The fourth proportional to 802,741.04, 1,107,795.12 and 440,198 is: 607,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,741.04 : 1,107,795.12 = 440,198 : x
  2. Step 2: Convert to fraction form
    802,741.04/1,107,795.12 = 440,198/x
  3. Step 3: Cross multiply
    802,741.04x = 1,107,795.12 × 440,198
  4. Step 4: Simplify right side
    802,741.04x = 487,649,196,233.76
  5. Step 5: Solve for x
    x = 487,649,196,233.76/802,741.04
  6. Step 6: Final answer
    x = 607,480.09

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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.