Home / 662,960.55-995,308.07-393,580.47

Finding the Fourth Proportional to 662,960.55, 995,308.07 and 393,580.47

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Solution

The fourth proportional to 662,960.55, 995,308.07 and 393,580.47 is: 590,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,960.55 : 995,308.07 = 393,580.47 : x
  2. Step 2: Convert to fraction form
    662,960.55/995,308.07 = 393,580.47/x
  3. Step 3: Cross multiply
    662,960.55x = 995,308.07 × 393,580.47
  4. Step 4: Simplify right side
    662,960.55x = 391,733,816,017.49
  5. Step 5: Solve for x
    x = 391,733,816,017.49/662,960.55
  6. Step 6: Final answer
    x = 590,885.56

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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.