Home / 509,220.54-763,825.95-309,596.04

Finding the Fourth Proportional to 509,220.54, 763,825.95 and 309,596.04

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Solution

The fourth proportional to 509,220.54, 763,825.95 and 309,596.04 is: 464,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,220.54 : 763,825.95 = 309,596.04 : x
  2. Step 2: Convert to fraction form
    509,220.54/763,825.95 = 309,596.04/x
  3. Step 3: Cross multiply
    509,220.54x = 763,825.95 × 309,596.04
  4. Step 4: Simplify right side
    509,220.54x = 236,477,489,369.24
  5. Step 5: Solve for x
    x = 236,477,489,369.24/509,220.54
  6. Step 6: Final answer
    x = 464,391.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.