Home / 421,095.54-631,046.20-325,882.50

Finding the Fourth Proportional to 421,095.54, 631,046.20 and 325,882.50

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Solution

The fourth proportional to 421,095.54, 631,046.20 and 325,882.50 is: 488,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,095.54 : 631,046.20 = 325,882.50 : x
  2. Step 2: Convert to fraction form
    421,095.54/631,046.20 = 325,882.50/x
  3. Step 3: Cross multiply
    421,095.54x = 631,046.20 × 325,882.50
  4. Step 4: Simplify right side
    421,095.54x = 205,646,913,271.50
  5. Step 5: Solve for x
    x = 205,646,913,271.50/421,095.54
  6. Step 6: Final answer
    x = 488,361.65

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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.