Home / 939,874.60-1,296,991.98-510,145.48

Finding the Fourth Proportional to 939,874.60, 1,296,991.98 and 510,145.48

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Solution

The fourth proportional to 939,874.60, 1,296,991.98 and 510,145.48 is: 703,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,874.60 : 1,296,991.98 = 510,145.48 : x
  2. Step 2: Convert to fraction form
    939,874.60/1,296,991.98 = 510,145.48/x
  3. Step 3: Cross multiply
    939,874.60x = 1,296,991.98 × 510,145.48
  4. Step 4: Simplify right side
    939,874.60x = 661,654,596,193.25
  5. Step 5: Solve for x
    x = 661,654,596,193.25/939,874.60
  6. Step 6: Final answer
    x = 703,981.78

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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.