Home / 850,177.75-1,275,434.79-242,971.51

Finding the Fourth Proportional to 850,177.75, 1,275,434.79 and 242,971.51

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Solution

The fourth proportional to 850,177.75, 1,275,434.79 and 242,971.51 is: 364,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,177.75 : 1,275,434.79 = 242,971.51 : x
  2. Step 2: Convert to fraction form
    850,177.75/1,275,434.79 = 242,971.51/x
  3. Step 3: Cross multiply
    850,177.75x = 1,275,434.79 × 242,971.51
  4. Step 4: Simplify right side
    850,177.75x = 309,894,310,455.66
  5. Step 5: Solve for x
    x = 309,894,310,455.66/850,177.75
  6. Step 6: Final answer
    x = 364,505.32

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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.