Home / 648,146.23-894,308.25-372,450.79

Finding the Fourth Proportional to 648,146.23, 894,308.25 and 372,450.79

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Solution

The fourth proportional to 648,146.23, 894,308.25 and 372,450.79 is: 513,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,146.23 : 894,308.25 = 372,450.79 : x
  2. Step 2: Convert to fraction form
    648,146.23/894,308.25 = 372,450.79/x
  3. Step 3: Cross multiply
    648,146.23x = 894,308.25 × 372,450.79
  4. Step 4: Simplify right side
    648,146.23x = 333,085,814,216.02
  5. Step 5: Solve for x
    x = 333,085,814,216.02/648,146.23
  6. Step 6: Final answer
    x = 513,905.35

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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.