Home / 849,909.90-1,274,914.83-242,651.54

Finding the Fourth Proportional to 849,909.90, 1,274,914.83 and 242,651.54

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Solution

The fourth proportional to 849,909.90, 1,274,914.83 and 242,651.54 is: 363,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,909.90 : 1,274,914.83 = 242,651.54 : x
  2. Step 2: Convert to fraction form
    849,909.90/1,274,914.83 = 242,651.54/x
  3. Step 3: Cross multiply
    849,909.90x = 1,274,914.83 × 242,651.54
  4. Step 4: Simplify right side
    849,909.90x = 309,360,040,493.76
  5. Step 5: Solve for x
    x = 309,360,040,493.76/849,909.90
  6. Step 6: Final answer
    x = 363,991.57

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1.5x scale

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.