Home / 684,926.37-945,199.52-379,015.63

Finding the Fourth Proportional to 684,926.37, 945,199.52 and 379,015.63

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Solution

The fourth proportional to 684,926.37, 945,199.52 and 379,015.63 is: 523,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,926.37 : 945,199.52 = 379,015.63 : x
  2. Step 2: Convert to fraction form
    684,926.37/945,199.52 = 379,015.63/x
  3. Step 3: Cross multiply
    684,926.37x = 945,199.52 × 379,015.63
  4. Step 4: Simplify right side
    684,926.37x = 358,245,391,548.50
  5. Step 5: Solve for x
    x = 358,245,391,548.50/684,926.37
  6. Step 6: Final answer
    x = 523,042.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.