Home / 790,984.39-1,186,505.75-406,630.23

Finding the Fourth Proportional to 790,984.39, 1,186,505.75 and 406,630.23

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Solution

The fourth proportional to 790,984.39, 1,186,505.75 and 406,630.23 is: 609,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,984.39 : 1,186,505.75 = 406,630.23 : x
  2. Step 2: Convert to fraction form
    790,984.39/1,186,505.75 = 406,630.23/x
  3. Step 3: Cross multiply
    790,984.39x = 1,186,505.75 × 406,630.23
  4. Step 4: Simplify right side
    790,984.39x = 482,469,106,018.82
  5. Step 5: Solve for x
    x = 482,469,106,018.82/790,984.39
  6. Step 6: Final answer
    x = 609,960.34

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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.