Home / 479,038.15-661,050.41-274,945.43

Finding the Fourth Proportional to 479,038.15, 661,050.41 and 274,945.43

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Solution

The fourth proportional to 479,038.15, 661,050.41 and 274,945.43 is: 379,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,038.15 : 661,050.41 = 274,945.43 : x
  2. Step 2: Convert to fraction form
    479,038.15/661,050.41 = 274,945.43/x
  3. Step 3: Cross multiply
    479,038.15x = 661,050.41 × 274,945.43
  4. Step 4: Simplify right side
    479,038.15x = 181,752,789,507.03
  5. Step 5: Solve for x
    x = 181,752,789,507.03/479,038.15
  6. Step 6: Final answer
    x = 379,411.93

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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.