Home / 684,970.16-945,244.67-379,046.35

Finding the Fourth Proportional to 684,970.16, 945,244.67 and 379,046.35

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Solution

The fourth proportional to 684,970.16, 945,244.67 and 379,046.35 is: 523,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,970.16 : 945,244.67 = 379,046.35 : x
  2. Step 2: Convert to fraction form
    684,970.16/945,244.67 = 379,046.35/x
  3. Step 3: Cross multiply
    684,970.16x = 945,244.67 × 379,046.35
  4. Step 4: Simplify right side
    684,970.16x = 358,291,540,604.96
  5. Step 5: Solve for x
    x = 358,291,540,604.96/684,970.16
  6. Step 6: Final answer
    x = 523,076.13

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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.