Home / 929,421.54-1,394,021.61-255,571.20

Finding the Fourth Proportional to 929,421.54, 1,394,021.61 and 255,571.20

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Solution

The fourth proportional to 929,421.54, 1,394,021.61 and 255,571.20 is: 383,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,421.54 : 1,394,021.61 = 255,571.20 : x
  2. Step 2: Convert to fraction form
    929,421.54/1,394,021.61 = 255,571.20/x
  3. Step 3: Cross multiply
    929,421.54x = 1,394,021.61 × 255,571.20
  4. Step 4: Simplify right side
    929,421.54x = 356,271,775,693.63
  5. Step 5: Solve for x
    x = 356,271,775,693.63/929,421.54
  6. Step 6: Final answer
    x = 383,326.36

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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.