Home / 420,827.04-580,556.30-250,962.75

Finding the Fourth Proportional to 420,827.04, 580,556.30 and 250,962.75

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Solution

The fourth proportional to 420,827.04, 580,556.30 and 250,962.75 is: 346,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,827.04 : 580,556.30 = 250,962.75 : x
  2. Step 2: Convert to fraction form
    420,827.04/580,556.30 = 250,962.75/x
  3. Step 3: Cross multiply
    420,827.04x = 580,556.30 × 250,962.75
  4. Step 4: Simplify right side
    420,827.04x = 145,698,004,323.01
  5. Step 5: Solve for x
    x = 145,698,004,323.01/420,827.04
  6. Step 6: Final answer
    x = 346,218.26

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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.