Home / 648,372.69-894,764.16-361,914.57

Finding the Fourth Proportional to 648,372.69, 894,764.16 and 361,914.57

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Solution

The fourth proportional to 648,372.69, 894,764.16 and 361,914.57 is: 499,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,372.69 : 894,764.16 = 361,914.57 : x
  2. Step 2: Convert to fraction form
    648,372.69/894,764.16 = 361,914.57/x
  3. Step 3: Cross multiply
    648,372.69x = 894,764.16 × 361,914.57
  4. Step 4: Simplify right side
    648,372.69x = 323,828,186,217.81
  5. Step 5: Solve for x
    x = 323,828,186,217.81/648,372.69
  6. Step 6: Final answer
    x = 499,447.60

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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.