Home / 684,982.85-945,253.10-379,072.14

Finding the Fourth Proportional to 684,982.85, 945,253.10 and 379,072.14

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Solution

The fourth proportional to 684,982.85, 945,253.10 and 379,072.14 is: 523,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,982.85 : 945,253.10 = 379,072.14 : x
  2. Step 2: Convert to fraction form
    684,982.85/945,253.10 = 379,072.14/x
  3. Step 3: Cross multiply
    684,982.85x = 945,253.10 × 379,072.14
  4. Step 4: Simplify right side
    684,982.85x = 358,319,113,563.27
  5. Step 5: Solve for x
    x = 358,319,113,563.27/684,982.85
  6. Step 6: Final answer
    x = 523,106.69

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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.