Home / 379,587.28-523,812.33-207,514.12

Finding the Fourth Proportional to 379,587.28, 523,812.33 and 207,514.12

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Solution

The fourth proportional to 379,587.28, 523,812.33 and 207,514.12 is: 286,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,587.28 : 523,812.33 = 207,514.12 : x
  2. Step 2: Convert to fraction form
    379,587.28/523,812.33 = 207,514.12/x
  3. Step 3: Cross multiply
    379,587.28x = 523,812.33 × 207,514.12
  4. Step 4: Simplify right side
    379,587.28x = 108,698,454,705.10
  5. Step 5: Solve for x
    x = 108,698,454,705.10/379,587.28
  6. Step 6: Final answer
    x = 286,359.58

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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.