Home / 715,799.70-1,073,706.98-210,369.69

Finding the Fourth Proportional to 715,799.70, 1,073,706.98 and 210,369.69

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Solution

The fourth proportional to 715,799.70, 1,073,706.98 and 210,369.69 is: 315,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,799.70 : 1,073,706.98 = 210,369.69 : x
  2. Step 2: Convert to fraction form
    715,799.70/1,073,706.98 = 210,369.69/x
  3. Step 3: Cross multiply
    715,799.70x = 1,073,706.98 × 210,369.69
  4. Step 4: Simplify right side
    715,799.70x = 225,875,403,481.59
  5. Step 5: Solve for x
    x = 225,875,403,481.59/715,799.70
  6. Step 6: Final answer
    x = 315,556.72

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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.