Home / 684,942.94-945,196.86-379,014.04

Finding the Fourth Proportional to 684,942.94, 945,196.86 and 379,014.04

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Solution

The fourth proportional to 684,942.94, 945,196.86 and 379,014.04 is: 523,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,942.94 : 945,196.86 = 379,014.04 : x
  2. Step 2: Convert to fraction form
    684,942.94/945,196.86 = 379,014.04/x
  3. Step 3: Cross multiply
    684,942.94x = 945,196.86 × 379,014.04
  4. Step 4: Simplify right side
    684,942.94x = 358,242,880,503.91
  5. Step 5: Solve for x
    x = 358,242,880,503.91/684,942.94
  6. Step 6: Final answer
    x = 523,025.87

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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.