Home / 487,696-731,675.46-203,292.02

Finding the Fourth Proportional to 487,696, 731,675.46 and 203,292.02

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Solution

The fourth proportional to 487,696, 731,675.46 and 203,292.02 is: 304,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,696 : 731,675.46 = 203,292.02 : x
  2. Step 2: Convert to fraction form
    487,696/731,675.46 = 203,292.02/x
  3. Step 3: Cross multiply
    487,696x = 731,675.46 × 203,292.02
  4. Step 4: Simplify right side
    487,696x = 148,743,782,247.83
  5. Step 5: Solve for x
    x = 148,743,782,247.83/487,696
  6. Step 6: Final answer
    x = 304,992.83

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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.