Home / 438,628.70-657,943.05-252,004.70

Finding the Fourth Proportional to 438,628.70, 657,943.05 and 252,004.70

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Solution

The fourth proportional to 438,628.70, 657,943.05 and 252,004.70 is: 378,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,628.70 : 657,943.05 = 252,004.70 : x
  2. Step 2: Convert to fraction form
    438,628.70/657,943.05 = 252,004.70/x
  3. Step 3: Cross multiply
    438,628.70x = 657,943.05 × 252,004.70
  4. Step 4: Simplify right side
    438,628.70x = 165,804,740,932.34
  5. Step 5: Solve for x
    x = 165,804,740,932.34/438,628.70
  6. Step 6: Final answer
    x = 378,007.05

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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.