Home / 427,814.23-590,783.71-275,117.59

Finding the Fourth Proportional to 427,814.23, 590,783.71 and 275,117.59

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Solution

The fourth proportional to 427,814.23, 590,783.71 and 275,117.59 is: 379,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,814.23 : 590,783.71 = 275,117.59 : x
  2. Step 2: Convert to fraction form
    427,814.23/590,783.71 = 275,117.59/x
  3. Step 3: Cross multiply
    427,814.23x = 590,783.71 × 275,117.59
  4. Step 4: Simplify right side
    427,814.23x = 162,534,992,569.65
  5. Step 5: Solve for x
    x = 162,534,992,569.65/427,814.23
  6. Step 6: Final answer
    x = 379,919.55

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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.