Home / 684,968.85-945,242.87-379,045.04

Finding the Fourth Proportional to 684,968.85, 945,242.87 and 379,045.04

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Solution

The fourth proportional to 684,968.85, 945,242.87 and 379,045.04 is: 523,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,968.85 : 945,242.87 = 379,045.04 : x
  2. Step 2: Convert to fraction form
    684,968.85/945,242.87 = 379,045.04/x
  3. Step 3: Cross multiply
    684,968.85x = 945,242.87 × 379,045.04
  4. Step 4: Simplify right side
    684,968.85x = 358,289,614,847.43
  5. Step 5: Solve for x
    x = 358,289,614,847.43/684,968.85
  6. Step 6: Final answer
    x = 523,074.32

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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.