Home / 845,043.49-1,266,679.50-312,224.68

Finding the Fourth Proportional to 845,043.49, 1,266,679.50 and 312,224.68

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Solution

The fourth proportional to 845,043.49, 1,266,679.50 and 312,224.68 is: 468,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,043.49 : 1,266,679.50 = 312,224.68 : x
  2. Step 2: Convert to fraction form
    845,043.49/1,266,679.50 = 312,224.68/x
  3. Step 3: Cross multiply
    845,043.49x = 1,266,679.50 × 312,224.68
  4. Step 4: Simplify right side
    845,043.49x = 395,488,598,383.36
  5. Step 5: Solve for x
    x = 395,488,598,383.36/845,043.49
  6. Step 6: Final answer
    x = 468,009.76

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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.