Home / 379,452.06-523,623.24-209,675.25

Finding the Fourth Proportional to 379,452.06, 523,623.24 and 209,675.25

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Solution

The fourth proportional to 379,452.06, 523,623.24 and 209,675.25 is: 289,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,452.06 : 523,623.24 = 209,675.25 : x
  2. Step 2: Convert to fraction form
    379,452.06/523,623.24 = 209,675.25/x
  3. Step 3: Cross multiply
    379,452.06x = 523,623.24 × 209,675.25
  4. Step 4: Simplify right side
    379,452.06x = 109,790,833,752.81
  5. Step 5: Solve for x
    x = 109,790,833,752.81/379,452.06
  6. Step 6: Final answer
    x = 289,340.46

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1.5x scale

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.