Home / 808,996.35-1,213,931.93-359,786.55

Finding the Fourth Proportional to 808,996.35, 1,213,931.93 and 359,786.55

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Solution

The fourth proportional to 808,996.35, 1,213,931.93 and 359,786.55 is: 539,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,996.35 : 1,213,931.93 = 359,786.55 : x
  2. Step 2: Convert to fraction form
    808,996.35/1,213,931.93 = 359,786.55/x
  3. Step 3: Cross multiply
    808,996.35x = 1,213,931.93 × 359,786.55
  4. Step 4: Simplify right side
    808,996.35x = 436,756,379,230.61
  5. Step 5: Solve for x
    x = 436,756,379,230.61/808,996.35
  6. Step 6: Final answer
    x = 539,874.35

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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.