Home / 873,456.36-1,310,185.20-242,370.78

Finding the Fourth Proportional to 873,456.36, 1,310,185.20 and 242,370.78

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Solution

The fourth proportional to 873,456.36, 1,310,185.20 and 242,370.78 is: 363,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,456.36 : 1,310,185.20 = 242,370.78 : x
  2. Step 2: Convert to fraction form
    873,456.36/1,310,185.20 = 242,370.78/x
  3. Step 3: Cross multiply
    873,456.36x = 1,310,185.20 × 242,370.78
  4. Step 4: Simplify right side
    873,456.36x = 317,550,608,868.46
  5. Step 5: Solve for x
    x = 317,550,608,868.46/873,456.36
  6. Step 6: Final answer
    x = 363,556.35

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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.