Home / 671,208.12-1,005,630.96-631,251.72

Finding the Fourth Proportional to 671,208.12, 1,005,630.96 and 631,251.72

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Solution

The fourth proportional to 671,208.12, 1,005,630.96 and 631,251.72 is: 945,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,208.12 : 1,005,630.96 = 631,251.72 : x
  2. Step 2: Convert to fraction form
    671,208.12/1,005,630.96 = 631,251.72/x
  3. Step 3: Cross multiply
    671,208.12x = 1,005,630.96 × 631,251.72
  4. Step 4: Simplify right side
    671,208.12x = 634,806,273,185.25
  5. Step 5: Solve for x
    x = 634,806,273,185.25/671,208.12
  6. Step 6: Final answer
    x = 945,766.68

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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.