Home / 715,815.33-1,073,556.95-316,238.28

Finding the Fourth Proportional to 715,815.33, 1,073,556.95 and 316,238.28

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Solution

The fourth proportional to 715,815.33, 1,073,556.95 and 316,238.28 is: 474,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,815.33 : 1,073,556.95 = 316,238.28 : x
  2. Step 2: Convert to fraction form
    715,815.33/1,073,556.95 = 316,238.28/x
  3. Step 3: Cross multiply
    715,815.33x = 1,073,556.95 × 316,238.28
  4. Step 4: Simplify right side
    715,815.33x = 339,499,801,768.86
  5. Step 5: Solve for x
    x = 339,499,801,768.86/715,815.33
  6. Step 6: Final answer
    x = 474,284.06

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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.